From 3d3f56991b985ef674019ccd0b62772de889e543 Mon Sep 17 00:00:00 2001
From: theoleuthardt <theoleuthardt12@gmail.com>
Date: Thu, 20 Feb 2025 23:19:38 +0100
Subject: [PATCH 01/16] feat: backend route for generating qr codes out of data

---
 backend/package-lock.json                  | 319 ++++++++++++++++++++-
 backend/package.json                       |   4 +-
 backend/server.ts                          |   2 +
 backend/src/routes/generateqrcode.route.ts |  33 +++
 4 files changed, 356 insertions(+), 2 deletions(-)
 create mode 100644 backend/src/routes/generateqrcode.route.ts

diff --git a/backend/package-lock.json b/backend/package-lock.json
index 1d750b1..b6705e9 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -16,11 +16,13 @@
         "fastify-cors": "^6.0.3",
         "fastify-multipart": "^5.3.1",
         "libreoffice-convert": "^1.6.0",
-        "luxon": "^3.5.0"
+        "luxon": "^3.5.0",
+        "qrcode": "^1.5.4"
       },
       "devDependencies": {
         "@types/luxon": "^3.4.2",
         "@types/node": "^22.13.4",
+        "@types/qrcode": "^1.5.5",
         "prettier": "3.5.1",
         "ts-node": "^10.9.2",
         "typescript": "^5.7.3"
@@ -282,6 +284,16 @@
         "undici-types": "~6.20.0"
       }
     },
+    "node_modules/@types/qrcode": {
+      "version": "1.5.5",
+      "resolved": "https://registry.npmjs.org/@types/qrcode/-/qrcode-1.5.5.tgz",
+      "integrity": "sha512-CdfBi/e3Qk+3Z/fXYShipBT13OJ2fDO2Q2w5CIP5anLTLIndQG9z6P1cnm+8zCWSpm5dnxMFd/uREtb0EXuQzg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@types/node": "*"
+      }
+    },
     "node_modules/abstract-logging": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/abstract-logging/-/abstract-logging-2.0.1.tgz",
@@ -347,6 +359,30 @@
         }
       }
     },
+    "node_modules/ansi-regex": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
+      "integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=8"
+      }
+    },
+    "node_modules/ansi-styles": {
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.3.0.tgz",
+      "integrity": "sha512-zbB9rCJAT1rbjiVDb2hqKFHNYLxgtk8NURxZ3IZwD3F6NtxbXZQCnnSi1Lkx+IDohdPlFp222wVALIheZJQSEg==",
+      "license": "MIT",
+      "dependencies": {
+        "color-convert": "^2.0.1"
+      },
+      "engines": {
+        "node": ">=8"
+      },
+      "funding": {
+        "url": "https://github.com/chalk/ansi-styles?sponsor=1"
+      }
+    },
     "node_modules/arg": {
       "version": "4.1.3",
       "resolved": "https://registry.npmjs.org/arg/-/arg-4.1.3.tgz",
@@ -379,6 +415,44 @@
         "fastq": "^1.17.1"
       }
     },
+    "node_modules/camelcase": {
+      "version": "5.3.1",
+      "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-5.3.1.tgz",
+      "integrity": "sha512-L28STB170nwWS63UjtlEOE3dldQApaJXZkOI1uMFfzf3rRuPegHaHesyee+YxQ+W6SvRDQV6UrdOdRiR153wJg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=6"
+      }
+    },
+    "node_modules/cliui": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/cliui/-/cliui-6.0.0.tgz",
+      "integrity": "sha512-t6wbgtoCXvAzst7QgXxJYqPt0usEfbgQdftEPbLL/cvv6HPE5VgvqCuAIDR0NgU52ds6rFwqrgakNLrHEjCbrQ==",
+      "license": "ISC",
+      "dependencies": {
+        "string-width": "^4.2.0",
+        "strip-ansi": "^6.0.0",
+        "wrap-ansi": "^6.2.0"
+      }
+    },
+    "node_modules/color-convert": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-2.0.1.tgz",
+      "integrity": "sha512-RRECPsj7iu/xb5oKYcsFHSppFNnsj/52OVTRKb4zP5onXwVF3zVmmToNcOfGC+CRDpfK/U584fMg38ZHCaElKQ==",
+      "license": "MIT",
+      "dependencies": {
+        "color-name": "~1.1.4"
+      },
+      "engines": {
+        "node": ">=7.0.0"
+      }
+    },
+    "node_modules/color-name": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.4.tgz",
+      "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==",
+      "license": "MIT"
+    },
     "node_modules/cookie": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/cookie/-/cookie-1.0.2.tgz",
@@ -395,6 +469,15 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/decamelize": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/decamelize/-/decamelize-1.2.0.tgz",
+      "integrity": "sha512-z2S+W9X73hAUUki+N+9Za2lBlun89zigOyGrsax+KUQ6wKW4ZoWpEYBkGhQjwAjjDCkWxhY0VKEhk8wzY7F5cA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/deepmerge": {
       "version": "4.3.1",
       "resolved": "https://registry.npmjs.org/deepmerge/-/deepmerge-4.3.1.tgz",
@@ -423,6 +506,12 @@
         "node": ">=0.3.1"
       }
     },
+    "node_modules/dijkstrajs": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/dijkstrajs/-/dijkstrajs-1.0.3.tgz",
+      "integrity": "sha512-qiSlmBq9+BCdCA/L46dw8Uy93mloxsPSbwnm5yrKn2vMPiy8KyAskTF6zuV/j5BMsmOGZDPs7KjU+mjb670kfA==",
+      "license": "MIT"
+    },
     "node_modules/dotenv": {
       "version": "16.4.7",
       "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-16.4.7.tgz",
@@ -435,6 +524,12 @@
         "url": "https://dotenvx.com"
       }
     },
+    "node_modules/emoji-regex": {
+      "version": "8.0.0",
+      "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-8.0.0.tgz",
+      "integrity": "sha512-MSjYzcWNOA0ewAHpz0MxpYFvwg6yjy1NG3xteoqz644VCo/RPgnr1/GGt+ic3iJTzQ8Eu3TdM14SawnVUmGE6A==",
+      "license": "MIT"
+    },
     "node_modules/end-of-stream": {
       "version": "1.4.4",
       "resolved": "https://registry.npmjs.org/end-of-stream/-/end-of-stream-1.4.4.tgz",
@@ -614,6 +709,28 @@
         "node": ">=14"
       }
     },
+    "node_modules/find-up": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/find-up/-/find-up-4.1.0.tgz",
+      "integrity": "sha512-PpOwAdQ/YlXQ2vj8a3h8IipDuYRi3wceVQQGYWxNINccq40Anw7BlsEXCMbt1Zt+OLA6Fq9suIpIWD0OsnISlw==",
+      "license": "MIT",
+      "dependencies": {
+        "locate-path": "^5.0.0",
+        "path-exists": "^4.0.0"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
+    "node_modules/get-caller-file": {
+      "version": "2.0.5",
+      "resolved": "https://registry.npmjs.org/get-caller-file/-/get-caller-file-2.0.5.tgz",
+      "integrity": "sha512-DyFP3BM/3YHTQOCUL/w0OZHR0lpKeGrxotcHWcqNEdnltqFwXVfhEBQ94eIo34AfQpo0rGki4cyIiftY06h2Fg==",
+      "license": "ISC",
+      "engines": {
+        "node": "6.* || 8.* || >= 10.*"
+      }
+    },
     "node_modules/hexoid": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/hexoid/-/hexoid-1.0.0.tgz",
@@ -632,6 +749,15 @@
         "node": ">= 10"
       }
     },
+    "node_modules/is-fullwidth-code-point": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-3.0.0.tgz",
+      "integrity": "sha512-zymm5+u+sCsSWyD9qNaejV3DFvhCKclKdizYaJUuHA83RLjb7nSuGnddCHGv0hk+KY7BMAlsWeK4Ueg6EV6XQg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/json-schema-ref-resolver": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/json-schema-ref-resolver/-/json-schema-ref-resolver-2.0.1.tgz",
@@ -691,6 +817,18 @@
         "set-cookie-parser": "^2.6.0"
       }
     },
+    "node_modules/locate-path": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-5.0.0.tgz",
+      "integrity": "sha512-t7hw9pI+WvuwNJXwk5zVHpyhIqzg2qTlklJOf0mVxGSbe3Fp2VieZcduNYjaLDoy6p9uGpQEGWG87WpMKlNq8g==",
+      "license": "MIT",
+      "dependencies": {
+        "p-locate": "^4.1.0"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/luxon": {
       "version": "3.5.0",
       "resolved": "https://registry.npmjs.org/luxon/-/luxon-3.5.0.tgz",
@@ -740,6 +878,51 @@
         "wrappy": "1"
       }
     },
+    "node_modules/p-limit": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-2.3.0.tgz",
+      "integrity": "sha512-//88mFWSJx8lxCzwdAABTJL2MyWB12+eIY7MDL2SqLmAkeKU9qxRvWuSyTjm3FUmpBEMuFfckAIqEaVGUDxb6w==",
+      "license": "MIT",
+      "dependencies": {
+        "p-try": "^2.0.0"
+      },
+      "engines": {
+        "node": ">=6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/p-locate": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/p-locate/-/p-locate-4.1.0.tgz",
+      "integrity": "sha512-R79ZZ/0wAxKGu3oYMlz8jy/kbhsNrS7SKZ7PxEHBgJ5+F2mtFW2fK2cOtBh1cHYkQsbzFV7I+EoRKe6Yt0oK7A==",
+      "license": "MIT",
+      "dependencies": {
+        "p-limit": "^2.2.0"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
+    "node_modules/p-try": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/p-try/-/p-try-2.2.0.tgz",
+      "integrity": "sha512-R4nPAVTAU0B9D35/Gk3uJf/7XYbQcyohSKdvAxIRSNghFl4e71hVoGnBNQz9cWaXxO2I10KTC+3jMdvvoKw6dQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=6"
+      }
+    },
+    "node_modules/path-exists": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/path-exists/-/path-exists-4.0.0.tgz",
+      "integrity": "sha512-ak9Qy5Q7jYb2Wwcey5Fpvg2KoAc/ZIhLSLOSBmRmygPsGwkVVt0fZa0qrtMz+m6tJTAHfZQ8FnmB4MG4LWy7/w==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/pino": {
       "version": "9.6.0",
       "resolved": "https://registry.npmjs.org/pino/-/pino-9.6.0.tgz",
@@ -777,6 +960,15 @@
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       "license": "MIT"
     },
+    "node_modules/pngjs": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/pngjs/-/pngjs-5.0.0.tgz",
+      "integrity": "sha512-40QW5YalBNfQo5yRYmiw7Yz6TKKVr3h6970B2YE+3fQpsWcrbj1PzJgxeJ19DRQjhMbKPIuMY8rFaXc8moolVw==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=10.13.0"
+      }
+    },
     "node_modules/prettier": {
       "version": "3.5.1",
       "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.5.1.tgz",
@@ -809,6 +1001,23 @@
       ],
       "license": "MIT"
     },
+    "node_modules/qrcode": {
+      "version": "1.5.4",
+      "resolved": "https://registry.npmjs.org/qrcode/-/qrcode-1.5.4.tgz",
+      "integrity": "sha512-1ca71Zgiu6ORjHqFBDpnSMTR2ReToX4l1Au1VFLyVeBTFavzQnv5JxMFr3ukHVKpSrSA2MCk0lNJSykjUfz7Zg==",
+      "license": "MIT",
+      "dependencies": {
+        "dijkstrajs": "^1.0.1",
+        "pngjs": "^5.0.0",
+        "yargs": "^15.3.1"
+      },
+      "bin": {
+        "qrcode": "bin/qrcode"
+      },
+      "engines": {
+        "node": ">=10.13.0"
+      }
+    },
     "node_modules/quick-format-unescaped": {
       "version": "4.0.4",
       "resolved": "https://registry.npmjs.org/quick-format-unescaped/-/quick-format-unescaped-4.0.4.tgz",
@@ -824,6 +1033,15 @@
         "node": ">= 12.13.0"
       }
     },
+    "node_modules/require-directory": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/require-directory/-/require-directory-2.1.1.tgz",
+      "integrity": "sha512-fGxEI7+wsG9xrvdjsrlmL22OMTTiHRwAMroiEeMgq8gzoLC/PQr7RsRDSTLUg/bZAZtF+TVIkHc6/4RIKrui+Q==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/require-from-string": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/require-from-string/-/require-from-string-2.0.2.tgz",
@@ -833,6 +1051,12 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/require-main-filename": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/require-main-filename/-/require-main-filename-2.0.0.tgz",
+      "integrity": "sha512-NKN5kMDylKuldxYLSUfrbo5Tuzh4hd+2E8NPPX02mZtn1VuREQToYe/ZdlJy+J3uCpfaiGF05e7B8W0iXbQHmg==",
+      "license": "ISC"
+    },
     "node_modules/ret": {
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       "resolved": "https://registry.npmjs.org/ret/-/ret-0.5.0.tgz",
@@ -914,6 +1138,12 @@
         "node": ">=10"
       }
     },
+    "node_modules/set-blocking": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/set-blocking/-/set-blocking-2.0.0.tgz",
+      "integrity": "sha512-KiKBS8AnWGEyLzofFfmvKwpdPzqiy16LvQfK3yv/fVH7Bj13/wl3JSR1J+rfgRE9q7xUJK4qvgS8raSOeLUehw==",
+      "license": "ISC"
+    },
     "node_modules/set-cookie-parser": {
       "version": "2.7.1",
       "resolved": "https://registry.npmjs.org/set-cookie-parser/-/set-cookie-parser-2.7.1.tgz",
@@ -947,6 +1177,32 @@
         "node": ">=4.0.0"
       }
     },
+    "node_modules/string-width": {
+      "version": "4.2.3",
+      "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz",
+      "integrity": "sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==",
+      "license": "MIT",
+      "dependencies": {
+        "emoji-regex": "^8.0.0",
+        "is-fullwidth-code-point": "^3.0.0",
+        "strip-ansi": "^6.0.1"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
+    "node_modules/strip-ansi": {
+      "version": "6.0.1",
+      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz",
+      "integrity": "sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==",
+      "license": "MIT",
+      "dependencies": {
+        "ansi-regex": "^5.0.1"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/text-decoding": {
       "version": "1.0.0",
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@@ -1061,12 +1317,73 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/which-module": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/which-module/-/which-module-2.0.1.tgz",
+      "integrity": "sha512-iBdZ57RDvnOR9AGBhML2vFZf7h8vmBjhoaZqODJBFWHVtKkDmKuHai3cx5PgVMrX5YDNp27AofYbAwctSS+vhQ==",
+      "license": "ISC"
+    },
+    "node_modules/wrap-ansi": {
+      "version": "6.2.0",
+      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-6.2.0.tgz",
+      "integrity": "sha512-r6lPcBGxZXlIcymEu7InxDMhdW0KDxpLgoFLcguasxCaJ/SOIZwINatK9KY/tf+ZrlywOKU0UDj3ATXUBfxJXA==",
+      "license": "MIT",
+      "dependencies": {
+        "ansi-styles": "^4.0.0",
+        "string-width": "^4.1.0",
+        "strip-ansi": "^6.0.0"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
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       "license": "ISC"
     },
+    "node_modules/y18n": {
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.3.tgz",
+      "integrity": "sha512-JKhqTOwSrqNA1NY5lSztJ1GrBiUodLMmIZuLiDaMRJ+itFd+ABVE8XBjOvIWL+rSqNDC74LCSFmlb/U4UZ4hJQ==",
+      "license": "ISC"
+    },
+    "node_modules/yargs": {
+      "version": "15.4.1",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-15.4.1.tgz",
+      "integrity": "sha512-aePbxDmcYW++PaqBsJ+HYUFwCdv4LVvdnhBy78E57PIor8/OVvhMrADFFEDh8DHDFRv/O9i3lPhsENjO7QX0+A==",
+      "license": "MIT",
+      "dependencies": {
+        "cliui": "^6.0.0",
+        "decamelize": "^1.2.0",
+        "find-up": "^4.1.0",
+        "get-caller-file": "^2.0.1",
+        "require-directory": "^2.1.1",
+        "require-main-filename": "^2.0.0",
+        "set-blocking": "^2.0.0",
+        "string-width": "^4.2.0",
+        "which-module": "^2.0.0",
+        "y18n": "^4.0.0",
+        "yargs-parser": "^18.1.2"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
+    "node_modules/yargs-parser": {
+      "version": "18.1.3",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-18.1.3.tgz",
+      "integrity": "sha512-o50j0JeToy/4K6OZcaQmW6lyXXKhq7csREXcDwk2omFPJEwUNOVtJKvmDr9EI1fAJZUyZcRF7kxGBWmRXudrCQ==",
+      "license": "ISC",
+      "dependencies": {
+        "camelcase": "^5.0.0",
+        "decamelize": "^1.2.0"
+      },
+      "engines": {
+        "node": ">=6"
+      }
+    },
     "node_modules/yn": {
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/yn/-/yn-3.1.1.tgz",
diff --git a/backend/package.json b/backend/package.json
index 9f959c8..ab5c3e8 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -19,11 +19,13 @@
     "fastify-cors": "^6.0.3",
     "fastify-multipart": "^5.3.1",
     "libreoffice-convert": "^1.6.0",
-    "luxon": "^3.5.0"
+    "luxon": "^3.5.0",
+    "qrcode": "^1.5.4"
   },
   "devDependencies": {
     "@types/luxon": "^3.4.2",
     "@types/node": "^22.13.4",
+    "@types/qrcode": "^1.5.5",
     "prettier": "3.5.1",
     "ts-node": "^10.9.2",
     "typescript": "^5.7.3"
diff --git a/backend/server.ts b/backend/server.ts
index 607a74c..763dfe7 100644
--- a/backend/server.ts
+++ b/backend/server.ts
@@ -6,6 +6,7 @@ import { colorConvert } from "./src/routes/colorconvert.route";
 import { passwordGenerate } from "./src/routes/passwordgenerate.route";
 import { regexTest } from "./src/routes/regextest.route";
 import { tmzConvert } from "./src/routes/tmzconvert.route";
+import { generateQRCode } from "./src/routes/generateqrcode.route";
 
 const app = Fastify({ logger: true });
 
@@ -21,6 +22,7 @@ app.register(colorConvert);
 app.register(passwordGenerate);
 app.register(regexTest);
 app.register(tmzConvert);
+app.register(generateQRCode);
 
 const PORT = process.env.PORT || 4000;
 app.listen({ port: Number(PORT), host: "0.0.0.0" }, () => {
diff --git a/backend/src/routes/generateqrcode.route.ts b/backend/src/routes/generateqrcode.route.ts
new file mode 100644
index 0000000..b8c0c5b
--- /dev/null
+++ b/backend/src/routes/generateqrcode.route.ts
@@ -0,0 +1,33 @@
+import { FastifyInstance, FastifyReply, FastifyRequest } from "fastify";
+import QRCode from "qrcode";
+
+interface RequestBody {
+  text: string;
+}
+
+export async function generateQRCode(app: FastifyInstance) {
+  app.post(
+    "/api/generate-qrcode",
+    async (
+      request: FastifyRequest<{ Body: RequestBody }>,
+      reply: FastifyReply,
+    ) => {
+      const data = request.body;
+
+      if (!data) {
+        return reply.status(400).send({ error: "Missing data parameter" });
+      }
+
+      try {
+        const qrCodeDataUrl = QRCode.toDataURL(data.text);
+        return reply
+          .header("Content-Type", "application/json")
+          .status(200)
+          .send({ qrCode: qrCodeDataUrl });
+      } catch (error) {
+        console.error("QR Code generation error:", error);
+        reply.status(500).send({ error: "Error generating QR code" });
+      }
+    },
+  );
+}

From 0833ce98b8ac6cd617644d119bb1191bec50ffc1 Mon Sep 17 00:00:00 2001
From: theoleuthardt <theoleuthardt12@gmail.com>
Date: Thu, 20 Feb 2025 23:20:38 +0100
Subject: [PATCH 02/16] feat: renamed tool pages + qr code generator tool page
 implemented with output as Image & instant download

---
 frontend/src/app/password-generator/page.tsx  |   2 +-
 frontend/src/app/qr-code-generator/layout.tsx |  20 ++++
 frontend/src/app/qr-code-generator/page.tsx   | 100 ++++++++++++++++++
 frontend/src/app/regex-tester/page.tsx        |   2 +-
 frontend/src/app/tmz-converter/page.tsx       |   2 +-
 5 files changed, 123 insertions(+), 3 deletions(-)
 create mode 100644 frontend/src/app/qr-code-generator/layout.tsx
 create mode 100644 frontend/src/app/qr-code-generator/page.tsx

diff --git a/frontend/src/app/password-generator/page.tsx b/frontend/src/app/password-generator/page.tsx
index eda0f9e..138fba1 100644
--- a/frontend/src/app/password-generator/page.tsx
+++ b/frontend/src/app/password-generator/page.tsx
@@ -5,7 +5,7 @@ import Navbar from "../../components/Navbar";
 import Footer from "../../components/Footer";
 import Button from "../../components/Button";
 
-export default function RgbToHex() {
+export default function PasswordGenerator() {
   const [loading, setLoading] = useState(false);
   const [password, setPassword] = useState("");
 
diff --git a/frontend/src/app/qr-code-generator/layout.tsx b/frontend/src/app/qr-code-generator/layout.tsx
new file mode 100644
index 0000000..6d53bdd
--- /dev/null
+++ b/frontend/src/app/qr-code-generator/layout.tsx
@@ -0,0 +1,20 @@
+import React from "react";
+import type { Metadata } from "next";
+import { toolLinks } from "@/constants";
+
+export const metadata: Metadata = {
+  title: toolLinks[4].title,
+  description: "Generator for QR Codes!",
+};
+
+export default function RootLayout({
+  children,
+}: Readonly<{
+  children: React.ReactNode;
+}>) {
+  return (
+    <html lang="en">
+      <body className={`antialiased`}>{children}</body>
+    </html>
+  );
+}
diff --git a/frontend/src/app/qr-code-generator/page.tsx b/frontend/src/app/qr-code-generator/page.tsx
new file mode 100644
index 0000000..0b2a82b
--- /dev/null
+++ b/frontend/src/app/qr-code-generator/page.tsx
@@ -0,0 +1,100 @@
+"use client";
+import React, { useState } from "react";
+import Navbar from "../../components/Navbar";
+import Footer from "../../components/Footer";
+import Button from "../../components/Button";
+import Image from "next/image";
+
+export default function QrCodeGenerator() {
+  const [loading, setLoading] = useState(false);
+  const [qrcode, setQRCode] = useState<string | null>(null);
+
+  const downloadImage = (dataUrl: string) => {
+    const link = document.createElement("a");
+    link.href = dataUrl;
+    link.download = "qrcode.png";
+    document.body.appendChild(link);
+    link.click();
+    document.body.removeChild(link);
+  };
+
+  const generateQRCode = async () => {
+    setLoading(true);
+
+    const textInput = (document.getElementById("data") as HTMLInputElement)
+      .value;
+
+    try {
+      const response = await fetch(
+        process.env.backend_url + "/api/generate-qrcode",
+        {
+          method: "POST",
+          headers: {
+            "Content-Type": "application/json",
+          },
+          body: JSON.stringify({
+            data: textInput,
+          }),
+        },
+      );
+
+      if (!response.ok) {
+        console.error("Error while converting");
+      }
+
+      const data = await response.json();
+      console.log("Data:", data);
+      if (data.qrCode) {
+        setQRCode(data.qrCode);
+        downloadImage(data.qrCode);
+      }
+    } catch (error) {
+      console.error("Error while converting:", error);
+      alert("Error while converting");
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  return (
+    <div className="w-screen h-auto min-h-screen bg-black text-white font-noto flex flex-col items-center">
+      <Navbar renderHomeLink={true} />
+      <div className="w-screen h-auto min-h-[calc(100vh-80px-60px)] flex flex-1 flex-col items-center justify-center">
+        <h2 className="text-5xl font-bold text-white mb-16">
+          qr-code-generator
+        </h2>
+        <div className="flex flex-row items-center justify-center gap-4 mb-6">
+          <input
+            className="h-20 w-64 p-2 rounded-xl text-white bg-black border-2 border-white text-center"
+            type="text"
+            id="data"
+            placeholder="Enter some data to convert!"
+          />
+        </div>
+        <div className={"flex flex-row items-center gap-4 mt-1 mb-10"}>
+          <Button
+            content={
+              loading ? (
+                <div className="h-10 w-10 border-8 border-blue-100 border-t-blue-500 rounded-full animate-spin" />
+              ) : (
+                "convert"
+              )
+            }
+            onClick={generateQRCode}
+          />
+        </div>
+        <div className="p-3 rounded-xl text-center">
+          {qrcode && (
+            <Image
+              id="output"
+              src={qrcode}
+              alt="QR Code"
+              className="text-blue-400 text-3xl"
+            />
+          )}
+        </div>
+      </div>
+      <Footer className="flex justify-center items-end" />
+    </div>
+  );
+}
diff --git a/frontend/src/app/regex-tester/page.tsx b/frontend/src/app/regex-tester/page.tsx
index a29cf2a..91d33fa 100644
--- a/frontend/src/app/regex-tester/page.tsx
+++ b/frontend/src/app/regex-tester/page.tsx
@@ -5,7 +5,7 @@ import Navbar from "../../components/Navbar";
 import Footer from "../../components/Footer";
 import Button from "../../components/Button";
 
-export default function RgbToHex() {
+export default function RegexTester() {
   const [loading, setLoading] = useState(false);
   const [output, setOutput] = useState("");
 
diff --git a/frontend/src/app/tmz-converter/page.tsx b/frontend/src/app/tmz-converter/page.tsx
index b138d7c..2b0fd00 100644
--- a/frontend/src/app/tmz-converter/page.tsx
+++ b/frontend/src/app/tmz-converter/page.tsx
@@ -4,7 +4,7 @@ import Navbar from "../../components/Navbar";
 import Footer from "../../components/Footer";
 import Button from "../../components/Button";
 
-export default function DocConverter() {
+export default function TMZConverter() {
   const [loading, setLoading] = useState(false);
   const [convertedTMZ, setConvertedTMZ] = useState("");
 

From 5291a05d2cdd8a81f54b2e62d8714edb59fcb99f Mon Sep 17 00:00:00 2001
From: theoleuthardt <theoleuthardt12@gmail.com>
Date: Fri, 21 Feb 2025 15:14:02 +0100
Subject: [PATCH 03/16] fix: backend route fix for error handling + fixed
 package import

---
 backend/src/routes/generateqrcode.route.ts | 21 ++++++++++++++-------
 backend/tsconfig.json                      |  1 +
 2 files changed, 15 insertions(+), 7 deletions(-)

diff --git a/backend/src/routes/generateqrcode.route.ts b/backend/src/routes/generateqrcode.route.ts
index b8c0c5b..9ff2e9b 100644
--- a/backend/src/routes/generateqrcode.route.ts
+++ b/backend/src/routes/generateqrcode.route.ts
@@ -1,8 +1,8 @@
 import { FastifyInstance, FastifyReply, FastifyRequest } from "fastify";
-import QRCode from "qrcode";
+import * as QRCode from "qrcode";
 
 interface RequestBody {
-  text: string;
+  qrcodeContent: string;
 }
 
 export async function generateQRCode(app: FastifyInstance) {
@@ -14,19 +14,26 @@ export async function generateQRCode(app: FastifyInstance) {
     ) => {
       const data = request.body;
 
-      if (!data) {
-        return reply.status(400).send({ error: "Missing data parameter" });
+      if (!data.qrcodeContent) {
+        return reply.status(400).send({ error: "Missing text parameter" });
+      } else if (data.qrcodeContent === "") {
+        return reply
+          .status(400)
+          .send({ error: "Text parameter cannot be empty" });
+      } else if (data.qrcodeContent.length > 1000) {
+        return reply.status(400).send({ error: "Text parameter too long" });
       }
 
       try {
-        const qrCodeDataUrl = QRCode.toDataURL(data.text);
+        const qrCodeUrl = await QRCode.toDataURL(data.qrcodeContent);
+        console.log("QR Code generated:", qrCodeUrl);
         return reply
           .header("Content-Type", "application/json")
           .status(200)
-          .send({ qrCode: qrCodeDataUrl });
+          .send({ qrCode: qrCodeUrl });
       } catch (error) {
         console.error("QR Code generation error:", error);
-        reply.status(500).send({ error: "Error generating QR code" });
+        return reply.status(500).send({ error: "Error generating QR code!" });
       }
     },
   );
diff --git a/backend/tsconfig.json b/backend/tsconfig.json
index 2ef8988..b0de5ac 100644
--- a/backend/tsconfig.json
+++ b/backend/tsconfig.json
@@ -5,6 +5,7 @@
     "outDir": "./dist",
     "rootDir": ".",
     "strict": true,
+    "esModuleInterop": true,
     "allowSyntheticDefaultImports": true
   }
 }

From 92102ff28206e2f4ba08371b7d50a992cdbaf99e Mon Sep 17 00:00:00 2001
From: theoleuthardt <theoleuthardt12@gmail.com>
Date: Fri, 21 Feb 2025 15:18:15 +0100
Subject: [PATCH 04/16] fix: no logging needed anymore

---
 backend/src/routes/generateqrcode.route.ts | 1 -
 1 file changed, 1 deletion(-)

diff --git a/backend/src/routes/generateqrcode.route.ts b/backend/src/routes/generateqrcode.route.ts
index 9ff2e9b..4084101 100644
--- a/backend/src/routes/generateqrcode.route.ts
+++ b/backend/src/routes/generateqrcode.route.ts
@@ -26,7 +26,6 @@ export async function generateQRCode(app: FastifyInstance) {
 
       try {
         const qrCodeUrl = await QRCode.toDataURL(data.qrcodeContent);
-        console.log("QR Code generated:", qrCodeUrl);
         return reply
           .header("Content-Type", "application/json")
           .status(200)

From 69370f10496d64bb73f0c7b4849492ee5859a406 Mon Sep 17 00:00:00 2001
From: theoleuthardt <theoleuthardt12@gmail.com>
Date: Fri, 21 Feb 2025 15:19:44 +0100
Subject: [PATCH 05/16] fix: QRCode variable name + clear button and
 conditional rendering

---
 frontend/src/app/qr-code-generator/page.tsx | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

diff --git a/frontend/src/app/qr-code-generator/page.tsx b/frontend/src/app/qr-code-generator/page.tsx
index 0b2a82b..c179264 100644
--- a/frontend/src/app/qr-code-generator/page.tsx
+++ b/frontend/src/app/qr-code-generator/page.tsx
@@ -7,7 +7,7 @@ import Image from "next/image";
 
 export default function QrCodeGenerator() {
   const [loading, setLoading] = useState(false);
-  const [qrcode, setQRCode] = useState<string | null>(null);
+  const [QRCodeURL, setQRCodeURL] = useState<string | null>(null);
 
   const downloadImage = (dataUrl: string) => {
     const link = document.createElement("a");
@@ -33,7 +33,7 @@ export default function QrCodeGenerator() {
             "Content-Type": "application/json",
           },
           body: JSON.stringify({
-            data: textInput,
+            qrcodeContent: textInput,
           }),
         },
       );
@@ -43,9 +43,8 @@ export default function QrCodeGenerator() {
       }
 
       const data = await response.json();
-      console.log("Data:", data);
       if (data.qrCode) {
-        setQRCode(data.qrCode);
+        setQRCodeURL(data.qrCode);
         downloadImage(data.qrCode);
       }
     } catch (error) {
@@ -56,6 +55,12 @@ export default function QrCodeGenerator() {
     }
   };
 
+  function clearInputAndQRCode() {
+    setQRCodeURL("");
+    const data = document.getElementById("data") as HTMLInputElement;
+    data.value = "";
+  }
+
   return (
     <div className="w-screen h-auto min-h-screen bg-black text-white font-noto flex flex-col items-center">
       <Navbar renderHomeLink={true} />
@@ -82,14 +87,16 @@ export default function QrCodeGenerator() {
             }
             onClick={generateQRCode}
           />
+          <Button content="clear" onClick={clearInputAndQRCode} />
         </div>
         <div className="p-3 rounded-xl text-center">
-          {qrcode && (
+          {QRCodeURL && (
             <Image
               id="output"
-              src={qrcode}
+              src={QRCodeURL}
               alt="QR Code"
-              className="text-blue-400 text-3xl"
+              width={128}
+              height={128}
             />
           )}
         </div>

From 324156fd036b397c585c5e39616eb6e400e0cc90 Mon Sep 17 00:00:00 2001
From: Domenik <domenik@ronaldwilhelm.de>
Date: Sat, 22 Feb 2025 14:25:05 +0100
Subject: [PATCH 06/16] feat: video-to-audio converter implemented without
 logic

---
 backend/package-lock.json                  |   9 +-
 backend/package.json                       |   3 +-
 backend/server.ts                          |   2 +
 backend/src/routes/videoconvert.route.ts   |  70 ++++++++
 frontend/src/app/video-to-audio/layout.tsx |  20 +++
 frontend/src/app/video-to-audio/page.tsx   | 186 +++++++++++++++++++++
 frontend/src/constants/index.ts            |  30 ++++
 7 files changed, 318 insertions(+), 2 deletions(-)
 create mode 100644 backend/src/routes/videoconvert.route.ts
 create mode 100644 frontend/src/app/video-to-audio/layout.tsx
 create mode 100644 frontend/src/app/video-to-audio/page.tsx

diff --git a/backend/package-lock.json b/backend/package-lock.json
index b6705e9..7b41736 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -17,7 +17,8 @@
         "fastify-multipart": "^5.3.1",
         "libreoffice-convert": "^1.6.0",
         "luxon": "^3.5.0",
-        "qrcode": "^1.5.4"
+        "qrcode": "^1.5.4",
+        "video-to-audio": "^1.0.1"
       },
       "devDependencies": {
         "@types/luxon": "^3.4.2",
@@ -1317,6 +1318,12 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/video-to-audio": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/video-to-audio/-/video-to-audio-1.0.1.tgz",
+      "integrity": "sha512-6+h79x2kSO60PYTT2cXcgXIsqw/3X8a5qshsZanxH0cxbGUVxVllwQdNOWr/8ywDNcgGgecSmk8Q6TJ79gtFjQ==",
+      "license": "MIT"
+    },
     "node_modules/which-module": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/which-module/-/which-module-2.0.1.tgz",
diff --git a/backend/package.json b/backend/package.json
index ab5c3e8..fb60513 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -20,7 +20,8 @@
     "fastify-multipart": "^5.3.1",
     "libreoffice-convert": "^1.6.0",
     "luxon": "^3.5.0",
-    "qrcode": "^1.5.4"
+    "qrcode": "^1.5.4",
+    "video-to-audio": "^1.0.1"
   },
   "devDependencies": {
     "@types/luxon": "^3.4.2",
diff --git a/backend/server.ts b/backend/server.ts
index 7593215..bffc6aa 100644
--- a/backend/server.ts
+++ b/backend/server.ts
@@ -8,6 +8,7 @@ import { regexTest } from "./src/routes/regextest.route";
 import { tmzConvert } from "./src/routes/tmzconvert.route";
 import { generateQRCode } from "./src/routes/generateqrcode.route";
 import { wordCounter } from "./src/routes/wordcounter.route";
+import { videoConvert } from "./src/routes/videoconvert.route";
 
 const app = Fastify({ logger: true });
 
@@ -25,6 +26,7 @@ app.register(regexTest);
 app.register(tmzConvert);
 app.register(generateQRCode);
 app.register(wordCounter);
+app.register(videoConvert);
 
 const PORT = process.env.PORT || 4000;
 app.listen({ port: Number(PORT), host: "0.0.0.0" }, () => {
diff --git a/backend/src/routes/videoconvert.route.ts b/backend/src/routes/videoconvert.route.ts
new file mode 100644
index 0000000..5daca9b
--- /dev/null
+++ b/backend/src/routes/videoconvert.route.ts
@@ -0,0 +1,70 @@
+import { FastifyInstance, FastifyReply, FastifyRequest } from "fastify";
+import * as libre from "libreoffice-convert";
+import { promisify } from "util";
+import { MultipartValue } from "@fastify/multipart";
+
+const libreConvertAsync = promisify(libre.convert);
+
+const mimeTypes: { [key: string]: string } = {
+  mp4: "video/mp4",
+  avi: "video/x-msvideo",
+  mkv: "video/x-matroska",
+};
+
+export async function videoConvert(app: FastifyInstance) {
+  app.post(
+    "/api/video-convert",
+    async (request: FastifyRequest, reply: FastifyReply) => {
+      try {
+        const parts = request.parts();
+
+        let fileBuffer: Buffer | null = null;
+        let outputFileExt = "";
+
+        for await (const part of parts) {
+          if (part.type === "file") {
+            fileBuffer = await part.toBuffer();
+          } else if (
+            part.fieldname === "outputFormat" &&
+            part.type === "field"
+          ) {
+            outputFileExt = (part as MultipartValue<string>).value;
+          }
+        }
+
+        if (!fileBuffer) {
+          return reply.status(400).send({ error: "No file uploaded!" });
+        }
+        if (!outputFileExt) {
+          return reply
+            .status(400)
+            .send({ error: "No output format provided!" });
+        }
+        if (!outputFileExt.startsWith(".")) {
+          outputFileExt = "." + outputFileExt;
+        }
+
+        const format = outputFileExt.substring(1);
+        const mimeType = mimeTypes[format] || "application/octet-stream";
+
+        const convertedBuffer = await libreConvertAsync(
+          fileBuffer,
+          outputFileExt,
+          undefined,
+        );
+
+        reply
+          .header("Content-Type", mimeType)
+          .header(
+            "Content-Disposition",
+            `attachment; filename="converted${outputFileExt}"`,
+          )
+          .status(200)
+          .send(convertedBuffer);
+      } catch (error) {
+        console.error("Convert error:", error);
+        reply.status(500).send({ error: "Error while converting!" });
+      }
+    },
+  );
+}
diff --git a/frontend/src/app/video-to-audio/layout.tsx b/frontend/src/app/video-to-audio/layout.tsx
new file mode 100644
index 0000000..76ac270
--- /dev/null
+++ b/frontend/src/app/video-to-audio/layout.tsx
@@ -0,0 +1,20 @@
+import React from "react";
+import type { Metadata } from "next";
+import { toolLinks } from "@/constants";
+
+export const metadata: Metadata = {
+  title: toolLinks[8].title,
+  description: "MP4 to MP3 converter!",
+};
+
+export default function RootLayout({
+  children,
+}: Readonly<{
+  children: React.ReactNode;
+}>) {
+  return (
+    <html lang="en">
+      <body className={`antialiased`}>{children}</body>
+    </html>
+  );
+}
diff --git a/frontend/src/app/video-to-audio/page.tsx b/frontend/src/app/video-to-audio/page.tsx
new file mode 100644
index 0000000..e8de4f1
--- /dev/null
+++ b/frontend/src/app/video-to-audio/page.tsx
@@ -0,0 +1,186 @@
+"use client";
+import React, { useState } from "react";
+import Navbar from "../../components/Navbar";
+import Footer from "../../components/Footer";
+import Button from "../../components/Button";
+import { ChevronDown, ChevronUp } from "lucide-react";
+import Dropdown from "@/components/Dropdown";
+import {
+  FileFormatsTable,
+  outputFileFormats,
+  videoAudioFormats,
+  videoAudioFormatsTable,
+} from "@/constants";
+
+export default function DocConverter() {
+  const [file, setFile] = useState<File | null>(null);
+  const [loading, setLoading] = useState(false);
+  const [tableOpen, setTableOpen] = useState(false);
+  const [filteredOptions, setFilteredOptions] = useState<string[]>([]);
+  const [selectedOutputFormat, setSelectedOutputFormat] = useState<string | "">(
+    "",
+  );
+
+  const handleFileChange = (event: React.ChangeEvent<HTMLInputElement>) => {
+    event.preventDefault();
+
+    if (event.target.files && event.target.files.length > 0) {
+      const selectedFile = event.target.files[0];
+      const fileExtension = selectedFile.name.split(".").pop()?.toLowerCase();
+
+      const isSupported = videoAudioFormats.some((format) =>
+        format.input.toLowerCase().includes(fileExtension || ""),
+      );
+
+      if (!isSupported) {
+        alert("File format not supported!");
+        event.target.value = "";
+        return;
+      }
+
+      setFile(selectedFile);
+      setSelectedOutputFormat("");
+
+      const matchedFormat = videoAudioFormats.find((format) =>
+        format.input.toLowerCase().includes(fileExtension || ""),
+      );
+      setFilteredOptions(matchedFormat ? matchedFormat.output : []);
+    }
+  };
+
+  const convertDoc = async () => {
+    if (!file) {
+      alert("No file selected");
+      return;
+    }
+
+    const formData = new FormData();
+    formData.append("file", file);
+    formData.append("outputFormat", selectedOutputFormat);
+
+    setLoading(true);
+
+    try {
+      const response = await fetch(
+        process.env.backend_url + "/api/video-convert",
+        {
+          method: "POST",
+          body: formData,
+        },
+      );
+
+      if (!response.ok) {
+        console.error(`Error: ${response.statusText}`);
+      }
+
+      const blob = await response.blob();
+      const url = window.URL.createObjectURL(blob);
+      const filename = file.name.split(".")[0];
+
+      const a = document.createElement("a");
+      a.href = url;
+      a.download = `${filename}${selectedOutputFormat}`;
+      document.body.appendChild(a);
+      a.click();
+      document.body.removeChild(a);
+
+      setTimeout(() => {
+        URL.revokeObjectURL(url);
+      }, 5000);
+    } catch (error) {
+      console.error("Error while converting:", error);
+      alert("Error while converting!");
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  return (
+    <div className="w-screen h-auto min-h-screen bg-black text-white font-noto flex flex-col items-center">
+      <Navbar renderHomeLink={true} />
+      <div className="w-screen h-auto min-h-[calc(100vh-80px-60px)] flex flex-1 flex-col items-center justify-center">
+        <h2 className="text-5xl font-bold text-white mb-16">doc-converter</h2>
+        <div className="h-36 flex flex-row items-center justify-center gap-4">
+          <input
+            type="file"
+            className="h-16 border-2 border-white p-3 rounded-xl text-2xl text-center text-white"
+            id="audioUpload"
+            onChange={handleFileChange}
+          />
+          <Dropdown
+            content={
+              file
+                ? `Convert to: ${selectedOutputFormat}`
+                : "output file format"
+            }
+            options={filteredOptions.length > 0 ? filteredOptions : [""]}
+            onClick={(event) => {
+              const selectedFormat =
+                event.currentTarget.textContent?.trim() || "";
+              setSelectedOutputFormat(selectedFormat);
+            }}
+          />
+        </div>
+        <div className={"flex flex-row items-center gap-4 mt-4 mb-16"}>
+          <Button
+            content={
+              loading ? (
+                <div className="h-10 w-10 border-8 border-blue-100 border-t-blue-500 rounded-full animate-spin" />
+              ) : (
+                "convert"
+              )
+            }
+            onClick={convertDoc}
+          />
+        </div>
+        <div className="overflow-hidden text-xl rounded-lg border border-white mb-16 transition-all duration-300 ease-in-out hover:border-blue-400">
+          <div
+            className="cursor-pointer flex justify-between items-center"
+            onClick={() => setTableOpen(!tableOpen)}
+          >
+            <table className="px-6 py-4 border-b">
+              <thead>
+                <tr className="border-b border-white">
+                  <th className="min-w-96 px-6 py-4 border-r border-white">
+                    📥 Input Format
+                  </th>
+                  <th className="min-w-[398px] px-6 py-4 flex flex-row justify-between items-center">
+                    <p className="pr-4 mx-auto">📤 Output Format</p>
+                    <div className="flex items-end justify-end place-content-end">
+                      {tableOpen ? (
+                        <ChevronUp className="h-6 w-6" />
+                      ) : (
+                        <ChevronDown className="h-6 w-6" />
+                      )}
+                    </div>
+                  </th>
+                </tr>
+              </thead>
+            </table>
+          </div>
+
+          <div
+            className={`
+          }overflow-hidden transition-all duration-700 ease-in-out ${tableOpen ? "max-h-[900px]" : "max-h-0"}`}
+          >
+            <table className="w-full h-auto text-left border-collapse border-white">
+              <tbody>
+                {videoAudioFormatsTable.map((format) => (
+                  <tr key={format.input} className="border-b">
+                    <td className="min-w-96 px-6 py-4 border-r">
+                      {format.input}
+                    </td>
+                    <td className="min-w-96 px-6 py-4">
+                      {format.output.join(", ")}
+                    </td>
+                  </tr>
+                ))}
+              </tbody>
+            </table>
+          </div>
+        </div>
+      </div>
+      <Footer className="flex justify-center items-end" />
+    </div>
+  );
+}
diff --git a/frontend/src/constants/index.ts b/frontend/src/constants/index.ts
index 13db40f..792dbce 100644
--- a/frontend/src/constants/index.ts
+++ b/frontend/src/constants/index.ts
@@ -154,3 +154,33 @@ export const FileFormatsTable = [
     output: [".pdf", ".ppt", ".pptx"],
   },
 ];
+
+export const videoAudioFormats = [
+  {
+    input: ".mp4",
+    output: [".mp3", ".wav", ".aac"],
+  },
+  {
+    input: ".avi",
+    output: [".mp3", ".wav", ".aac"],
+  },
+  {
+    input: ".mov",
+    output: [".mp3", ".wav", ".aac"],
+  },
+];
+
+export const videoAudioFormatsTable = [
+  {
+    input: ".mp4",
+    output: [".mp3", ".wav", ".aac"],
+  },
+  {
+    input: ".avi",
+    output: [".mp3", ".wav", ".aac"],
+  },
+  {
+    input: ".mov",
+    output: [".mp3", ".wav", ".aac"],
+  },
+];

From 903709c3344da6113f8b796bf4317148127b72e8 Mon Sep 17 00:00:00 2001
From: Domenik <domenik@ronaldwilhelm.de>
Date: Sat, 22 Feb 2025 14:25:47 +0100
Subject: [PATCH 07/16] fix: removed wrong imports

---
 frontend/src/app/video-to-audio/page.tsx | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/frontend/src/app/video-to-audio/page.tsx b/frontend/src/app/video-to-audio/page.tsx
index e8de4f1..b92fd8b 100644
--- a/frontend/src/app/video-to-audio/page.tsx
+++ b/frontend/src/app/video-to-audio/page.tsx
@@ -5,12 +5,7 @@ import Footer from "../../components/Footer";
 import Button from "../../components/Button";
 import { ChevronDown, ChevronUp } from "lucide-react";
 import Dropdown from "@/components/Dropdown";
-import {
-  FileFormatsTable,
-  outputFileFormats,
-  videoAudioFormats,
-  videoAudioFormatsTable,
-} from "@/constants";
+import { videoAudioFormats, videoAudioFormatsTable } from "@/constants";
 
 export default function DocConverter() {
   const [file, setFile] = useState<File | null>(null);

From e368155cdb05618055fa20718f1a5cc1f8dca2ba Mon Sep 17 00:00:00 2001
From: theoleuthardt <theoleuthardt12@gmail.com>
Date: Sat, 22 Feb 2025 14:29:36 +0100
Subject: [PATCH 08/16] feat: backend route for removing backgrounds from
 images with imgly

---
 backend/package-lock.json            | 1533 +++++++++++++++++++++++++-
 backend/package.json                 |    4 +-
 backend/server.ts                    |    2 +
 backend/src/routes/removebg.route.ts |   43 +
 4 files changed, 1580 insertions(+), 2 deletions(-)
 create mode 100644 backend/src/routes/removebg.route.ts

diff --git a/backend/package-lock.json b/backend/package-lock.json
index b6705e9..730f3a5 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -11,13 +11,15 @@
       "dependencies": {
         "@fastify/cors": "^10.0.2",
         "@fastify/multipart": "^9.0.3",
+        "@imgly/background-removal-node": "^1.4.5",
         "dotenv": "^16.4.7",
         "fastify": "^5.2.1",
         "fastify-cors": "^6.0.3",
         "fastify-multipart": "^5.3.1",
         "libreoffice-convert": "^1.6.0",
         "luxon": "^3.5.0",
-        "qrcode": "^1.5.4"
+        "qrcode": "^1.5.4",
+        "sharp": "^0.33.5"
       },
       "devDependencies": {
         "@types/luxon": "^3.4.2",
@@ -41,6 +43,16 @@
         "node": ">=12"
       }
     },
+    "node_modules/@emnapi/runtime": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/@emnapi/runtime/-/runtime-1.3.1.tgz",
+      "integrity": "sha512-kEBmG8KyqtxJZv+ygbEim+KCGtIq1fC22Ms3S4ziXmYKm8uyoLX0MHONVKwp+9opg390VaKRNt4a7A9NwmpNhw==",
+      "license": "MIT",
+      "optional": true,
+      "dependencies": {
+        "tslib": "^2.4.0"
+      }
+    },
     "node_modules/@fastify/ajv-compiler": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/@fastify/ajv-compiler/-/ajv-compiler-4.0.2.tgz",
@@ -211,6 +223,529 @@
         "ipaddr.js": "^2.1.0"
       }
     },
+    "node_modules/@img/sharp-darwin-arm64": {
+      "version": "0.33.5",
+      "resolved": "https://registry.npmjs.org/@img/sharp-darwin-arm64/-/sharp-darwin-arm64-0.33.5.tgz",
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+      "cpu": [
+        "arm64"
+      ],
+      "license": "Apache-2.0",
+      "optional": true,
+      "os": [
+        "darwin"
+      ],
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      },
+      "optionalDependencies": {
+        "@img/sharp-libvips-darwin-arm64": "1.0.4"
+      }
+    },
+    "node_modules/@img/sharp-darwin-x64": {
+      "version": "0.33.5",
+      "resolved": "https://registry.npmjs.org/@img/sharp-darwin-x64/-/sharp-darwin-x64-0.33.5.tgz",
+      "integrity": "sha512-fyHac4jIc1ANYGRDxtiqelIbdWkIuQaI84Mv45KvGRRxSAa7o7d1ZKAOBaYbnepLC1WqxfpimdeWfvqqSGwR2Q==",
+      "cpu": [
+        "x64"
+      ],
+      "license": "Apache-2.0",
+      "optional": true,
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+        "darwin"
+      ],
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+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      },
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+        "@img/sharp-libvips-darwin-x64": "1.0.4"
+      }
+    },
+    "node_modules/@img/sharp-libvips-darwin-arm64": {
+      "version": "1.0.4",
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+      "cpu": [
+        "arm64"
+      ],
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+      ],
+      "funding": {
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+      }
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+      "cpu": [
+        "arm"
+      ],
+      "license": "LGPL-3.0-or-later",
+      "optional": true,
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+        "linux"
+      ],
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      }
+    },
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+      "cpu": [
+        "arm64"
+      ],
+      "license": "LGPL-3.0-or-later",
+      "optional": true,
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+        "linux"
+      ],
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      }
+    },
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+      ],
+      "funding": {
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+        "x64"
+      ],
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+      ],
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+        "url": "https://opencollective.com/libvips"
+      }
+    },
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+        "arm"
+      ],
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+      "optional": true,
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+      ],
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+      "optional": true,
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+      ],
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+    "node_modules/tar-fs": {
+      "version": "3.0.8",
+      "resolved": "https://registry.npmjs.org/tar-fs/-/tar-fs-3.0.8.tgz",
+      "integrity": "sha512-ZoROL70jptorGAlgAYiLoBLItEKw/fUxg9BSYK/dF/GAGYFJOJJJMvjPAKDJraCXFwadD456FCuvLWgfhMsPwg==",
+      "license": "MIT",
+      "dependencies": {
+        "pump": "^3.0.0",
+        "tar-stream": "^3.1.5"
+      },
+      "optionalDependencies": {
+        "bare-fs": "^4.0.1",
+        "bare-path": "^3.0.0"
+      }
+    },
+    "node_modules/tar-stream": {
+      "version": "3.1.7",
+      "resolved": "https://registry.npmjs.org/tar-stream/-/tar-stream-3.1.7.tgz",
+      "integrity": "sha512-qJj60CXt7IU1Ffyc3NJMjh6EkuCFej46zUqJ4J7pqYlThyd9bO0XBTmcOIhSzZJVWfsLks0+nle/j538YAW9RQ==",
+      "license": "MIT",
+      "dependencies": {
+        "b4a": "^1.6.4",
+        "fast-fifo": "^1.2.0",
+        "streamx": "^2.15.0"
+      }
+    },
+    "node_modules/text-decoder": {
+      "version": "1.2.3",
+      "resolved": "https://registry.npmjs.org/text-decoder/-/text-decoder-1.2.3.tgz",
+      "integrity": "sha512-3/o9z3X0X0fTupwsYvR03pJ/DjWuqqrfwBgTQzdWDiQSm9KitAyz/9WqsT2JQW7KV2m+bC2ol/zqpW37NHxLaA==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "b4a": "^1.6.4"
+      }
+    },
     "node_modules/text-decoding": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/text-decoding/-/text-decoding-1.0.0.tgz",
@@ -1280,6 +2744,25 @@
         }
       }
     },
+    "node_modules/tslib": {
+      "version": "2.8.1",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.8.1.tgz",
+      "integrity": "sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w==",
+      "license": "0BSD",
+      "optional": true
+    },
+    "node_modules/tunnel-agent": {
+      "version": "0.6.0",
+      "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
+      "integrity": "sha512-McnNiV1l8RYeY8tBgEpuodCC1mLUdbSN+CYBL7kJsJNInOP8UjDDEwdk6Mw60vdLLrr5NHKZhMAOSrR2NZuQ+w==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "safe-buffer": "^5.0.1"
+      },
+      "engines": {
+        "node": "*"
+      }
+    },
     "node_modules/typescript": {
       "version": "5.7.3",
       "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.7.3.tgz",
@@ -1301,6 +2784,12 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/util-deprecate": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
+      "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw==",
+      "license": "MIT"
+    },
     "node_modules/v8-compile-cache-lib": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/v8-compile-cache-lib/-/v8-compile-cache-lib-3.0.1.tgz",
@@ -1317,6 +2806,21 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/which": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
+      "integrity": "sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA==",
+      "license": "ISC",
+      "dependencies": {
+        "isexe": "^2.0.0"
+      },
+      "bin": {
+        "node-which": "bin/node-which"
+      },
+      "engines": {
+        "node": ">= 8"
+      }
+    },
     "node_modules/which-module": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/which-module/-/which-module-2.0.1.tgz",
@@ -1337,6 +2841,24 @@
         "node": ">=8"
       }
     },
+    "node_modules/wrap-ansi-cjs": {
+      "name": "wrap-ansi",
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-7.0.0.tgz",
+      "integrity": "sha512-YVGIj2kamLSTxw6NsZjoBxfSwsn0ycdesmc4p+Q21c5zPuZ1pl+NfxVdxPtdHvmNVOQ6XSYG4AUtyt/Fi7D16Q==",
+      "license": "MIT",
+      "dependencies": {
+        "ansi-styles": "^4.0.0",
+        "string-width": "^4.1.0",
+        "strip-ansi": "^6.0.0"
+      },
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/chalk/wrap-ansi?sponsor=1"
+      }
+    },
     "node_modules/wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
@@ -1349,6 +2871,15 @@
       "integrity": "sha512-JKhqTOwSrqNA1NY5lSztJ1GrBiUodLMmIZuLiDaMRJ+itFd+ABVE8XBjOvIWL+rSqNDC74LCSFmlb/U4UZ4hJQ==",
       "license": "ISC"
     },
+    "node_modules/yallist": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/yallist/-/yallist-5.0.0.tgz",
+      "integrity": "sha512-YgvUTfwqyc7UXVMrB+SImsVYSmTS8X/tSrtdNZMImM+n7+QTriRXyXim0mBrTXNeqzVF0KWGgHPeiyViFFrNDw==",
+      "license": "BlueOak-1.0.0",
+      "engines": {
+        "node": ">=18"
+      }
+    },
     "node_modules/yargs": {
       "version": "15.4.1",
       "resolved": "https://registry.npmjs.org/yargs/-/yargs-15.4.1.tgz",
diff --git a/backend/package.json b/backend/package.json
index ab5c3e8..d616ed5 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -14,13 +14,15 @@
   "dependencies": {
     "@fastify/cors": "^10.0.2",
     "@fastify/multipart": "^9.0.3",
+    "@imgly/background-removal-node": "^1.4.5",
     "dotenv": "^16.4.7",
     "fastify": "^5.2.1",
     "fastify-cors": "^6.0.3",
     "fastify-multipart": "^5.3.1",
     "libreoffice-convert": "^1.6.0",
     "luxon": "^3.5.0",
-    "qrcode": "^1.5.4"
+    "qrcode": "^1.5.4",
+    "sharp": "^0.33.5"
   },
   "devDependencies": {
     "@types/luxon": "^3.4.2",
diff --git a/backend/server.ts b/backend/server.ts
index 7593215..e73109a 100644
--- a/backend/server.ts
+++ b/backend/server.ts
@@ -8,6 +8,7 @@ import { regexTest } from "./src/routes/regextest.route";
 import { tmzConvert } from "./src/routes/tmzconvert.route";
 import { generateQRCode } from "./src/routes/generateqrcode.route";
 import { wordCounter } from "./src/routes/wordcounter.route";
+import { removeBG } from "./src/routes/removebg.route";
 
 const app = Fastify({ logger: true });
 
@@ -25,6 +26,7 @@ app.register(regexTest);
 app.register(tmzConvert);
 app.register(generateQRCode);
 app.register(wordCounter);
+app.register(removeBG);
 
 const PORT = process.env.PORT || 4000;
 app.listen({ port: Number(PORT), host: "0.0.0.0" }, () => {
diff --git a/backend/src/routes/removebg.route.ts b/backend/src/routes/removebg.route.ts
new file mode 100644
index 0000000..ea06ebe
--- /dev/null
+++ b/backend/src/routes/removebg.route.ts
@@ -0,0 +1,43 @@
+import { FastifyInstance, FastifyReply, FastifyRequest } from "fastify";
+import { Config, removeBackground } from "@imgly/background-removal-node";
+import sharp from "sharp";
+
+export async function removeBG(app: FastifyInstance) {
+  app.post(
+    "/api/remove-bg",
+    async (request: FastifyRequest, reply: FastifyReply) => {
+      try {
+        const parts = request.parts();
+
+        let fileBuffer: Buffer | null = null;
+
+        for await (const part of parts) {
+          if (part.type === "file") {
+            fileBuffer = await part.toBuffer();
+          }
+        }
+
+        if (!fileBuffer) {
+          return reply.status(400).send({ error: "No file uploaded!" });
+        }
+
+        console.log("Received file, buffer length:", fileBuffer.length);
+
+        const rightFileBuffer = await sharp(fileBuffer)
+          .toFormat("png")
+          .toBuffer();
+        console.log("Converted file:", rightFileBuffer);
+        const convertedBuffer = await removeBackground(rightFileBuffer);
+
+        reply
+          .header("Content-Type", "image/png")
+          .header("Content-Disposition", `attachment; filename="converted.png"`)
+          .status(200)
+          .send(convertedBuffer);
+      } catch (error) {
+        console.error("Convert error:", error);
+        reply.status(500).send({ error: "Error while converting!" });
+      }
+    },
+  );
+}

From 9cc7fe61d8cd68523b189e5b1066d0c1cd09ff46 Mon Sep 17 00:00:00 2001
From: theoleuthardt <theoleuthardt12@gmail.com>
Date: Sat, 22 Feb 2025 14:30:02 +0100
Subject: [PATCH 09/16] fix: no config needed anymore

---
 backend/src/routes/removebg.route.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/backend/src/routes/removebg.route.ts b/backend/src/routes/removebg.route.ts
index ea06ebe..30bb17e 100644
--- a/backend/src/routes/removebg.route.ts
+++ b/backend/src/routes/removebg.route.ts
@@ -1,5 +1,5 @@
 import { FastifyInstance, FastifyReply, FastifyRequest } from "fastify";
-import { Config, removeBackground } from "@imgly/background-removal-node";
+import { removeBackground } from "@imgly/background-removal-node";
 import sharp from "sharp";
 
 export async function removeBG(app: FastifyInstance) {

From ad7d94c8d054c79da7c35a7495e9d24b1f8f86dd Mon Sep 17 00:00:00 2001
From: theoleuthardt <theoleuthardt12@gmail.com>
Date: Sat, 22 Feb 2025 14:30:52 +0100
Subject: [PATCH 10/16] feat: frontend page with remove bg api call and
 automatic download of output image

---
 frontend/src/app/bg-remover/layout.tsx | 20 ++++++
 frontend/src/app/bg-remover/page.tsx   | 96 ++++++++++++++++++++++++++
 2 files changed, 116 insertions(+)
 create mode 100644 frontend/src/app/bg-remover/layout.tsx
 create mode 100644 frontend/src/app/bg-remover/page.tsx

diff --git a/frontend/src/app/bg-remover/layout.tsx b/frontend/src/app/bg-remover/layout.tsx
new file mode 100644
index 0000000..4f2608a
--- /dev/null
+++ b/frontend/src/app/bg-remover/layout.tsx
@@ -0,0 +1,20 @@
+import React from "react";
+import type { Metadata } from "next";
+import { toolLinks } from "@/constants";
+
+export const metadata: Metadata = {
+  title: toolLinks[6].title,
+  description: "Remove backgrounds from your images!",
+};
+
+export default function RootLayout({
+  children,
+}: Readonly<{
+  children: React.ReactNode;
+}>) {
+  return (
+    <html lang="en">
+      <body className={`antialiased`}>{children}</body>
+    </html>
+  );
+}
diff --git a/frontend/src/app/bg-remover/page.tsx b/frontend/src/app/bg-remover/page.tsx
new file mode 100644
index 0000000..7ddf051
--- /dev/null
+++ b/frontend/src/app/bg-remover/page.tsx
@@ -0,0 +1,96 @@
+"use client";
+import React, { useState } from "react";
+import Navbar from "../../components/Navbar";
+import Footer from "../../components/Footer";
+import Button from "../../components/Button";
+
+export default function BGRemover() {
+  const [file, setFile] = useState<File | null>(null);
+  const [loading, setLoading] = useState(false);
+
+  const handleFileChange = (event: React.ChangeEvent<HTMLInputElement>) => {
+    event.preventDefault();
+
+    if (event.target.files && event.target.files.length > 0) {
+      const selectedFile = event.target.files[0];
+      setFile(selectedFile);
+    }
+  };
+
+  const removeBG = async () => {
+    if (!file) {
+      alert("No file selected");
+      return;
+    } else if (file.size > 5 * 1024 * 1024) {
+      alert("File size should be less than 5MB");
+      return;
+    }
+
+    const formData = new FormData();
+    formData.append("file", file);
+
+    setLoading(true);
+
+    try {
+      const response = await fetch(process.env.backend_url + "/api/remove-bg", {
+        method: "POST",
+        body: formData,
+      });
+
+      if (!response.ok) {
+        console.error(`Error: ${response.statusText}`);
+        return;
+      }
+
+      const blob = await response.blob();
+      const url = window.URL.createObjectURL(blob);
+      const filename = file.name.split(".")[0];
+
+      const a = document.createElement("a");
+      a.href = url;
+      a.download = `${filename}.png`;
+      document.body.appendChild(a);
+      a.click();
+      document.body.removeChild(a);
+
+      setTimeout(() => {
+        URL.revokeObjectURL(url);
+      }, 5000);
+    } catch (error) {
+      console.error("Error while converting:", error);
+      alert("Error while converting!");
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  return (
+    <div className="w-screen h-auto min-h-screen bg-black text-white font-noto flex flex-col items-center">
+      <Navbar renderHomeLink={true} />
+      <div className="w-screen h-auto min-h-[calc(100vh-80px-60px)] flex flex-1 flex-col items-center justify-center">
+        <h2 className="text-5xl font-bold text-white mb-16">bg-remover</h2>
+        <div className="h-36 flex flex-row items-center justify-center gap-4">
+          <input
+            type="file"
+            className="h-16 border-2 border-white p-3 rounded-xl text-2xl text-center text-white"
+            id="documentUpload"
+            onChange={handleFileChange}
+          />
+        </div>
+        <div className={"flex flex-row items-center gap-4 mt-4 mb-16"}>
+          <Button
+            content={
+              loading ? (
+                <div className="h-10 w-10 border-8 border-blue-100 border-t-blue-500 rounded-full animate-spin" />
+              ) : (
+                "remove background"
+              )
+            }
+            onClick={removeBG}
+          />
+        </div>
+      </div>
+      <Footer className="flex justify-center items-end" />
+    </div>
+  );
+}

From 95c8ba211cb3c0c7d9f35f75fd7fb1e42adf276d Mon Sep 17 00:00:00 2001
From: theoleuthardt <theoleuthardt12@gmail.com>
Date: Sat, 22 Feb 2025 15:23:47 +0100
Subject: [PATCH 11/16] feat: renaming some constants, correct table constant
 in frontend

---
 frontend/src/app/video-to-audio/layout.tsx |  2 +-
 frontend/src/app/video-to-audio/page.tsx   | 18 ++++++++----------
 frontend/src/constants/index.ts            |  6 +++---
 3 files changed, 12 insertions(+), 14 deletions(-)

diff --git a/frontend/src/app/video-to-audio/layout.tsx b/frontend/src/app/video-to-audio/layout.tsx
index 76ac270..b6e283c 100644
--- a/frontend/src/app/video-to-audio/layout.tsx
+++ b/frontend/src/app/video-to-audio/layout.tsx
@@ -4,7 +4,7 @@ import { toolLinks } from "@/constants";
 
 export const metadata: Metadata = {
   title: toolLinks[8].title,
-  description: "MP4 to MP3 converter!",
+  description: "Video to audio converter!",
 };
 
 export default function RootLayout({
diff --git a/frontend/src/app/video-to-audio/page.tsx b/frontend/src/app/video-to-audio/page.tsx
index b92fd8b..cfedd34 100644
--- a/frontend/src/app/video-to-audio/page.tsx
+++ b/frontend/src/app/video-to-audio/page.tsx
@@ -43,7 +43,7 @@ export default function DocConverter() {
     }
   };
 
-  const convertDoc = async () => {
+  const convertVideo = async () => {
     if (!file) {
       alert("No file selected");
       return;
@@ -57,7 +57,7 @@ export default function DocConverter() {
 
     try {
       const response = await fetch(
-        process.env.backend_url + "/api/video-convert",
+        process.env.backend_url + "/api/video-to-audio",
         {
           method: "POST",
           body: formData,
@@ -66,6 +66,7 @@ export default function DocConverter() {
 
       if (!response.ok) {
         console.error(`Error: ${response.statusText}`);
+        return;
       }
 
       const blob = await response.blob();
@@ -94,7 +95,7 @@ export default function DocConverter() {
     <div className="w-screen h-auto min-h-screen bg-black text-white font-noto flex flex-col items-center">
       <Navbar renderHomeLink={true} />
       <div className="w-screen h-auto min-h-[calc(100vh-80px-60px)] flex flex-1 flex-col items-center justify-center">
-        <h2 className="text-5xl font-bold text-white mb-16">doc-converter</h2>
+        <h2 className="text-5xl font-bold text-white mb-16">video-to-audio</h2>
         <div className="h-36 flex flex-row items-center justify-center gap-4">
           <input
             type="file"
@@ -113,6 +114,7 @@ export default function DocConverter() {
               const selectedFormat =
                 event.currentTarget.textContent?.trim() || "";
               setSelectedOutputFormat(selectedFormat);
+              console.log(selectedOutputFormat);
             }}
           />
         </div>
@@ -125,7 +127,7 @@ export default function DocConverter() {
                 "convert"
               )
             }
-            onClick={convertDoc}
+            onClick={convertVideo}
           />
         </div>
         <div className="overflow-hidden text-xl rounded-lg border border-white mb-16 transition-all duration-300 ease-in-out hover:border-blue-400">
@@ -162,12 +164,8 @@ export default function DocConverter() {
               <tbody>
                 {videoAudioFormatsTable.map((format) => (
                   <tr key={format.input} className="border-b">
-                    <td className="min-w-96 px-6 py-4 border-r">
-                      {format.input}
-                    </td>
-                    <td className="min-w-96 px-6 py-4">
-                      {format.output.join(", ")}
-                    </td>
+                    <td className="w-96 px-6 py-4 border-r">{format.input}</td>
+                    <td className="px-6 py-4">{format.output.join(", ")}</td>
                   </tr>
                 ))}
               </tbody>
diff --git a/frontend/src/constants/index.ts b/frontend/src/constants/index.ts
index 792dbce..4db1620 100644
--- a/frontend/src/constants/index.ts
+++ b/frontend/src/constants/index.ts
@@ -172,15 +172,15 @@ export const videoAudioFormats = [
 
 export const videoAudioFormatsTable = [
   {
-    input: ".mp4",
+    input: ".mp4 (MPEG-4)",
     output: [".mp3", ".wav", ".aac"],
   },
   {
-    input: ".avi",
+    input: ".avi (Audio Video Interleave)",
     output: [".mp3", ".wav", ".aac"],
   },
   {
-    input: ".mov",
+    input: ".mov (Apple QuickTime Movie)",
     output: [".mp3", ".wav", ".aac"],
   },
 ];

From f16661d1fd9a54fd8d275cbdf19b150838335e59 Mon Sep 17 00:00:00 2001
From: theoleuthardt <theoleuthardt12@gmail.com>
Date: Sat, 22 Feb 2025 15:25:08 +0100
Subject: [PATCH 12/16] feat: backend now uses ffmpeg as local package on
 server to convert video to audio, added package to dockerfile, naming
 conventions

---
 backend/Dockerfile                       |   2 +-
 backend/package-lock.json                |   9 +-
 backend/package.json                     |   3 +-
 backend/server.ts                        |   4 +-
 backend/src/routes/videoconvert.route.ts |  70 ------------
 backend/src/routes/videotoaudio.route.ts | 137 +++++++++++++++++++++++
 backend/tsconfig.json                    |   2 +-
 7 files changed, 143 insertions(+), 84 deletions(-)
 delete mode 100644 backend/src/routes/videoconvert.route.ts
 create mode 100644 backend/src/routes/videotoaudio.route.ts

diff --git a/backend/Dockerfile b/backend/Dockerfile
index 6583c94..49c0c65 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -2,7 +2,7 @@
 FROM node:18-alpine AS base
 
 # Install system dependencies
-RUN apk add --no-cache libc6-compat libreoffice ttf-liberation
+RUN apk add --no-cache libc6-compat libreoffice ttf-liberation ffmpeg
 
 WORKDIR /app
 
diff --git a/backend/package-lock.json b/backend/package-lock.json
index 7b41736..b6705e9 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -17,8 +17,7 @@
         "fastify-multipart": "^5.3.1",
         "libreoffice-convert": "^1.6.0",
         "luxon": "^3.5.0",
-        "qrcode": "^1.5.4",
-        "video-to-audio": "^1.0.1"
+        "qrcode": "^1.5.4"
       },
       "devDependencies": {
         "@types/luxon": "^3.4.2",
@@ -1318,12 +1317,6 @@
         "node": ">= 0.8"
       }
     },
-    "node_modules/video-to-audio": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/video-to-audio/-/video-to-audio-1.0.1.tgz",
-      "integrity": "sha512-6+h79x2kSO60PYTT2cXcgXIsqw/3X8a5qshsZanxH0cxbGUVxVllwQdNOWr/8ywDNcgGgecSmk8Q6TJ79gtFjQ==",
-      "license": "MIT"
-    },
     "node_modules/which-module": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/which-module/-/which-module-2.0.1.tgz",
diff --git a/backend/package.json b/backend/package.json
index fb60513..ab5c3e8 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -20,8 +20,7 @@
     "fastify-multipart": "^5.3.1",
     "libreoffice-convert": "^1.6.0",
     "luxon": "^3.5.0",
-    "qrcode": "^1.5.4",
-    "video-to-audio": "^1.0.1"
+    "qrcode": "^1.5.4"
   },
   "devDependencies": {
     "@types/luxon": "^3.4.2",
diff --git a/backend/server.ts b/backend/server.ts
index bffc6aa..6051ea6 100644
--- a/backend/server.ts
+++ b/backend/server.ts
@@ -8,7 +8,7 @@ import { regexTest } from "./src/routes/regextest.route";
 import { tmzConvert } from "./src/routes/tmzconvert.route";
 import { generateQRCode } from "./src/routes/generateqrcode.route";
 import { wordCounter } from "./src/routes/wordcounter.route";
-import { videoConvert } from "./src/routes/videoconvert.route";
+import { videoToAudio } from "./src/routes/videotoaudio.route";
 
 const app = Fastify({ logger: true });
 
@@ -26,7 +26,7 @@ app.register(regexTest);
 app.register(tmzConvert);
 app.register(generateQRCode);
 app.register(wordCounter);
-app.register(videoConvert);
+app.register(videoToAudio);
 
 const PORT = process.env.PORT || 4000;
 app.listen({ port: Number(PORT), host: "0.0.0.0" }, () => {
diff --git a/backend/src/routes/videoconvert.route.ts b/backend/src/routes/videoconvert.route.ts
deleted file mode 100644
index 5daca9b..0000000
--- a/backend/src/routes/videoconvert.route.ts
+++ /dev/null
@@ -1,70 +0,0 @@
-import { FastifyInstance, FastifyReply, FastifyRequest } from "fastify";
-import * as libre from "libreoffice-convert";
-import { promisify } from "util";
-import { MultipartValue } from "@fastify/multipart";
-
-const libreConvertAsync = promisify(libre.convert);
-
-const mimeTypes: { [key: string]: string } = {
-  mp4: "video/mp4",
-  avi: "video/x-msvideo",
-  mkv: "video/x-matroska",
-};
-
-export async function videoConvert(app: FastifyInstance) {
-  app.post(
-    "/api/video-convert",
-    async (request: FastifyRequest, reply: FastifyReply) => {
-      try {
-        const parts = request.parts();
-
-        let fileBuffer: Buffer | null = null;
-        let outputFileExt = "";
-
-        for await (const part of parts) {
-          if (part.type === "file") {
-            fileBuffer = await part.toBuffer();
-          } else if (
-            part.fieldname === "outputFormat" &&
-            part.type === "field"
-          ) {
-            outputFileExt = (part as MultipartValue<string>).value;
-          }
-        }
-
-        if (!fileBuffer) {
-          return reply.status(400).send({ error: "No file uploaded!" });
-        }
-        if (!outputFileExt) {
-          return reply
-            .status(400)
-            .send({ error: "No output format provided!" });
-        }
-        if (!outputFileExt.startsWith(".")) {
-          outputFileExt = "." + outputFileExt;
-        }
-
-        const format = outputFileExt.substring(1);
-        const mimeType = mimeTypes[format] || "application/octet-stream";
-
-        const convertedBuffer = await libreConvertAsync(
-          fileBuffer,
-          outputFileExt,
-          undefined,
-        );
-
-        reply
-          .header("Content-Type", mimeType)
-          .header(
-            "Content-Disposition",
-            `attachment; filename="converted${outputFileExt}"`,
-          )
-          .status(200)
-          .send(convertedBuffer);
-      } catch (error) {
-        console.error("Convert error:", error);
-        reply.status(500).send({ error: "Error while converting!" });
-      }
-    },
-  );
-}
diff --git a/backend/src/routes/videotoaudio.route.ts b/backend/src/routes/videotoaudio.route.ts
new file mode 100644
index 0000000..31ffe0a
--- /dev/null
+++ b/backend/src/routes/videotoaudio.route.ts
@@ -0,0 +1,137 @@
+import { FastifyInstance, FastifyReply, FastifyRequest } from "fastify";
+import { MultipartValue } from "@fastify/multipart";
+import { spawn } from "child_process";
+import { promises as fs } from "fs";
+import * as path from "path";
+import { randomUUID } from "crypto";
+
+interface ConversionOptions {
+  format: string;
+  bitrate?: string;
+  channels?: number;
+  sampleRate?: number;
+}
+
+let options: ConversionOptions;
+
+export async function videoToAudio(app: FastifyInstance) {
+  app.post(
+    "/api/video-to-audio",
+    async (request: FastifyRequest, reply: FastifyReply) => {
+      const tmpDir = path.join(process.cwd(), "tmp");
+      const sessionId = randomUUID();
+      const inputPath = path.join(tmpDir, `input-${sessionId}`);
+      const outputPath = path.join(tmpDir, `output-${sessionId}`);
+
+      try {
+        await fs.mkdir(tmpDir, { recursive: true });
+
+        const parts = request.parts();
+
+        let fileBuffer: Buffer | null = null;
+        options = {
+          format: "mp3",
+          bitrate: "192k",
+          channels: 2,
+          sampleRate: 44100,
+        };
+
+        for await (const part of parts) {
+          if (part.type === "file") {
+            fileBuffer = await part.toBuffer();
+          } else if (part.type === "field") {
+            const field = part as MultipartValue<string>;
+            switch (field.fieldname) {
+              case "format":
+                const format = field.value.toLowerCase();
+                options.format = format;
+                break;
+              case "bitrate":
+                options.bitrate = field.value;
+                break;
+              case "channels":
+                options.channels = parseInt(field.value, 10);
+                break;
+              case "sampleRate":
+                options.sampleRate = parseInt(field.value, 10);
+                break;
+            }
+          }
+        }
+
+        if (!fileBuffer) {
+          return reply.status(400).send({ error: "No file uploaded!" });
+        }
+
+        await fs.writeFile(inputPath, fileBuffer);
+
+        await new Promise<void>((resolve, reject) => {
+          const args = [
+            "-i",
+            inputPath,
+            "-vn",
+            "-acodec",
+            options.format === "mp3" ? "libmp3lame" : options.format,
+            "-ab",
+            options.bitrate || "192k",
+            "-ac",
+            String(options.channels || 2),
+            "-ar",
+            String(options.sampleRate || 44100),
+            outputPath + "." + options.format,
+          ];
+
+          const ffmpeg = spawn("ffmpeg", args);
+
+          ffmpeg.stderr.on("data", (data) => {
+            console.log(`ffmpeg stderr: ${data}`);
+          });
+
+          ffmpeg.on("close", (code) => {
+            if (code === 0) {
+              resolve();
+            } else {
+              reject(new Error(`ffmpeg process exited with code ${code}`));
+            }
+          });
+
+          ffmpeg.on("error", (err) => {
+            reject(err);
+          });
+        });
+
+        const outputFile = await fs.readFile(outputPath + "." + options.format);
+
+        await Promise.all([
+          fs.unlink(inputPath),
+          fs.unlink(outputPath + "." + options.format),
+        ]);
+
+        reply
+          .header("Content-Type", `audio/${options.format}`)
+          .header(
+            "Content-Disposition",
+            `attachment; filename="converted.${options.format}"`,
+          )
+          .send(outputFile);
+      } catch (error) {
+        try {
+          await Promise.all([
+            fs.unlink(inputPath).catch(() => {}),
+            fs
+              .unlink(outputPath + "." + (options?.format || "mp3"))
+              .catch(() => {}),
+          ]);
+        } catch (cleanupError) {
+          console.error("Cleanup error:", cleanupError);
+        }
+
+        console.error("Conversion error:", error);
+        reply.status(500).send({
+          error: "Error during conversion process",
+          details: error instanceof Error ? error.message : "Unknown error",
+        });
+      }
+    },
+  );
+}
diff --git a/backend/tsconfig.json b/backend/tsconfig.json
index b0de5ac..c6f6778 100644
--- a/backend/tsconfig.json
+++ b/backend/tsconfig.json
@@ -6,6 +6,6 @@
     "rootDir": ".",
     "strict": true,
     "esModuleInterop": true,
-    "allowSyntheticDefaultImports": true
+    "allowSyntheticDefaultImports": true,
   }
 }

From 6bca341d505c9ca6e5a5dfd24599b526b6083255 Mon Sep 17 00:00:00 2001
From: theoleuthardt <theoleuthardt12@gmail.com>
Date: Sat, 22 Feb 2025 15:30:49 +0100
Subject: [PATCH 13/16] fix: severity vulnerability issues on bg remove package

---
 backend/package-lock.json | 47 +++++++++++++++++----------------------
 backend/package.json      |  2 +-
 2 files changed, 21 insertions(+), 28 deletions(-)

diff --git a/backend/package-lock.json b/backend/package-lock.json
index 730f3a5..2691090 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -11,7 +11,7 @@
       "dependencies": {
         "@fastify/cors": "^10.0.2",
         "@fastify/multipart": "^9.0.3",
-        "@imgly/background-removal-node": "^1.4.5",
+        "@imgly/background-removal-node": "^1.4.3",
         "dotenv": "^16.4.7",
         "fastify": "^5.2.1",
         "fastify-cors": "^6.0.3",
@@ -585,19 +585,18 @@
       }
     },
     "node_modules/@imgly/background-removal-node": {
-      "version": "1.4.5",
-      "resolved": "https://registry.npmjs.org/@imgly/background-removal-node/-/background-removal-node-1.4.5.tgz",
-      "integrity": "sha512-/s9K88qhKy1jPhrSkBxurUqCVqJ8KHWCc+5yWdppdC4fuSrGC8mK8WQtmULs2ASEr8naY1qpvZu0EL5jr2Hqtg==",
+      "version": "1.4.3",
+      "resolved": "https://registry.npmjs.org/@imgly/background-removal-node/-/background-removal-node-1.4.3.tgz",
+      "integrity": "sha512-oLt4HlNDcpL4M7v7Z+aLeNnK/g0vPmyGyZmkRgzomPvr/jEo56xNS5o+WArapNZliEaZv2LtF34KlghdLgNtuQ==",
       "license": "SEE LICENSE IN LICENSE.md",
       "dependencies": {
-        "@types/lodash": "~4.14.195",
-        "@types/ndarray": "~1.0.14",
-        "@types/node": "~20.3.1",
-        "lodash": "~4.17.21",
-        "ndarray": "~1.0.19",
-        "onnxruntime-node": "~1.17.0",
-        "sharp": "~0.32.4",
-        "zod": "~3.21.4"
+        "@types/lodash": "^4.14.195",
+        "@types/node": "^20.3.1",
+        "lodash": "^4.17.21",
+        "ndarray": "^1.0.19",
+        "onnxruntime-node": "^1.15.1",
+        "sharp": "^0.32.4",
+        "zod": "^3.21.4"
       }
     },
     "node_modules/@imgly/background-removal-node/node_modules/@types/node": {
@@ -629,15 +628,6 @@
         "url": "https://opencollective.com/libvips"
       }
     },
-    "node_modules/@imgly/background-removal-node/node_modules/zod": {
-      "version": "3.21.4",
-      "resolved": "https://registry.npmjs.org/zod/-/zod-3.21.4.tgz",
-      "integrity": "sha512-m46AKbrzKVzOzs/DZgVnG5H55N1sv1M8qZU3A8RIKbs3mrACDNeIOeilDymVb2HdmP8uwshOCF4uJ8uM9rCqJw==",
-      "license": "MIT",
-      "funding": {
-        "url": "https://github.com/sponsors/colinhacks"
-      }
-    },
     "node_modules/@isaacs/cliui": {
       "version": "8.0.2",
       "resolved": "https://registry.npmjs.org/@isaacs/cliui/-/cliui-8.0.2.tgz",
@@ -825,12 +815,6 @@
       "dev": true,
       "license": "MIT"
     },
-    "node_modules/@types/ndarray": {
-      "version": "1.0.14",
-      "resolved": "https://registry.npmjs.org/@types/ndarray/-/ndarray-1.0.14.tgz",
-      "integrity": "sha512-oANmFZMnFQvb219SSBIhI1Ih/r4CvHDOzkWyJS/XRqkMrGH5/kaPSA1hQhdIBzouaE+5KpE/f5ylI9cujmckQg==",
-      "license": "MIT"
-    },
     "node_modules/@types/node": {
       "version": "22.13.4",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-22.13.4.tgz",
@@ -2924,6 +2908,15 @@
       "engines": {
         "node": ">=6"
       }
+    },
+    "node_modules/zod": {
+      "version": "3.24.2",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-3.24.2.tgz",
+      "integrity": "sha512-lY7CDW43ECgW9u1TcT3IoXHflywfVqDYze4waEz812jR/bZ8FHDsl7pFQoSZTz5N+2NqRXs8GBwnAwo3ZNxqhQ==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/colinhacks"
+      }
     }
   }
 }
diff --git a/backend/package.json b/backend/package.json
index d616ed5..18deae4 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -14,7 +14,7 @@
   "dependencies": {
     "@fastify/cors": "^10.0.2",
     "@fastify/multipart": "^9.0.3",
-    "@imgly/background-removal-node": "^1.4.5",
+    "@imgly/background-removal-node": "^1.4.3",
     "dotenv": "^16.4.7",
     "fastify": "^5.2.1",
     "fastify-cors": "^6.0.3",

From 1a63971fffebcb531c3b2583cca4f4735f09a055 Mon Sep 17 00:00:00 2001
From: theoleuthardt <theoleuthardt12@gmail.com>
Date: Sat, 22 Feb 2025 22:29:26 +0100
Subject: [PATCH 14/16] fix: removed bad error handling structure, using good
 error handling like video-to-audio route with tmp files

---
 backend/package-lock.json            | 1526 +-------------------------
 backend/package.json                 |    4 +-
 backend/src/routes/removebg.route.ts |   51 +-
 3 files changed, 45 insertions(+), 1536 deletions(-)

diff --git a/backend/package-lock.json b/backend/package-lock.json
index 2691090..b6705e9 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -11,15 +11,13 @@
       "dependencies": {
         "@fastify/cors": "^10.0.2",
         "@fastify/multipart": "^9.0.3",
-        "@imgly/background-removal-node": "^1.4.3",
         "dotenv": "^16.4.7",
         "fastify": "^5.2.1",
         "fastify-cors": "^6.0.3",
         "fastify-multipart": "^5.3.1",
         "libreoffice-convert": "^1.6.0",
         "luxon": "^3.5.0",
-        "qrcode": "^1.5.4",
-        "sharp": "^0.33.5"
+        "qrcode": "^1.5.4"
       },
       "devDependencies": {
         "@types/luxon": "^3.4.2",
@@ -43,16 +41,6 @@
         "node": ">=12"
       }
     },
-    "node_modules/@emnapi/runtime": {
-      "version": "1.3.1",
-      "resolved": "https://registry.npmjs.org/@emnapi/runtime/-/runtime-1.3.1.tgz",
-      "integrity": "sha512-kEBmG8KyqtxJZv+ygbEim+KCGtIq1fC22Ms3S4ziXmYKm8uyoLX0MHONVKwp+9opg390VaKRNt4a7A9NwmpNhw==",
-      "license": "MIT",
-      "optional": true,
-      "dependencies": {
-        "tslib": "^2.4.0"
-      }
-    },
     "node_modules/@fastify/ajv-compiler": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/@fastify/ajv-compiler/-/ajv-compiler-4.0.2.tgz",
@@ -223,519 +211,6 @@
         "ipaddr.js": "^2.1.0"
       }
     },
-    "node_modules/@img/sharp-darwin-arm64": {
-      "version": "0.33.5",
-      "resolved": "https://registry.npmjs.org/@img/sharp-darwin-arm64/-/sharp-darwin-arm64-0.33.5.tgz",
-      "integrity": "sha512-UT4p+iz/2H4twwAoLCqfA9UH5pI6DggwKEGuaPy7nCVQ8ZsiY5PIcrRvD1DzuY3qYL07NtIQcWnBSY/heikIFQ==",
-      "cpu": [
-        "arm64"
-      ],
-      "license": "Apache-2.0",
-      "optional": true,
-      "os": [
-        "darwin"
-      ],
-      "engines": {
-        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
-      },
-      "funding": {
-        "url": "https://opencollective.com/libvips"
-      },
-      "optionalDependencies": {
-        "@img/sharp-libvips-darwin-arm64": "1.0.4"
-      }
-    },
-    "node_modules/@img/sharp-darwin-x64": {
-      "version": "0.33.5",
-      "resolved": "https://registry.npmjs.org/@img/sharp-darwin-x64/-/sharp-darwin-x64-0.33.5.tgz",
-      "integrity": "sha512-fyHac4jIc1ANYGRDxtiqelIbdWkIuQaI84Mv45KvGRRxSAa7o7d1ZKAOBaYbnepLC1WqxfpimdeWfvqqSGwR2Q==",
-      "cpu": [
-        "x64"
-      ],
-      "license": "Apache-2.0",
-      "optional": true,
-      "os": [
-        "darwin"
-      ],
-      "engines": {
-        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
-      },
-      "funding": {
-        "url": "https://opencollective.com/libvips"
-      },
-      "optionalDependencies": {
-        "@img/sharp-libvips-darwin-x64": "1.0.4"
-      }
-    },
-    "node_modules/@img/sharp-libvips-darwin-arm64": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/@img/sharp-libvips-darwin-arm64/-/sharp-libvips-darwin-arm64-1.0.4.tgz",
-      "integrity": "sha512-XblONe153h0O2zuFfTAbQYAX2JhYmDHeWikp1LM9Hul9gVPjFY427k6dFEcOL72O01QxQsWi761svJ/ev9xEDg==",
-      "cpu": [
-        "arm64"
-      ],
-      "license": "LGPL-3.0-or-later",
-      "optional": true,
-      "os": [
-        "darwin"
-      ],
-      "funding": {
-        "url": "https://opencollective.com/libvips"
-      }
-    },
-    "node_modules/@img/sharp-libvips-darwin-x64": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/@img/sharp-libvips-darwin-x64/-/sharp-libvips-darwin-x64-1.0.4.tgz",
-      "integrity": "sha512-xnGR8YuZYfJGmWPvmlunFaWJsb9T/AO2ykoP3Fz/0X5XV2aoYBPkX6xqCQvUTKKiLddarLaxpzNe+b1hjeWHAQ==",
-      "cpu": [
-        "x64"
-      ],
-      "license": "LGPL-3.0-or-later",
-      "optional": true,
-      "os": [
-        "darwin"
-      ],
-      "funding": {
-        "url": "https://opencollective.com/libvips"
-      }
-    },
-    "node_modules/@img/sharp-libvips-linux-arm": {
-      "version": "1.0.5",
-      "resolved": "https://registry.npmjs.org/@img/sharp-libvips-linux-arm/-/sharp-libvips-linux-arm-1.0.5.tgz",
-      "integrity": "sha512-gvcC4ACAOPRNATg/ov8/MnbxFDJqf/pDePbBnuBDcjsI8PssmjoKMAz4LtLaVi+OnSb5FK/yIOamqDwGmXW32g==",
-      "cpu": [
-        "arm"
-      ],
-      "license": "LGPL-3.0-or-later",
-      "optional": true,
-      "os": [
-        "linux"
-      ],
-      "funding": {
-        "url": "https://opencollective.com/libvips"
-      }
-    },
-    "node_modules/@img/sharp-libvips-linux-arm64": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/@img/sharp-libvips-linux-arm64/-/sharp-libvips-linux-arm64-1.0.4.tgz",
-      "integrity": "sha512-9B+taZ8DlyyqzZQnoeIvDVR/2F4EbMepXMc/NdVbkzsJbzkUjhXv/70GQJ7tdLA4YJgNP25zukcxpX2/SueNrA==",
-      "cpu": [
-        "arm64"
-      ],
-      "license": "LGPL-3.0-or-later",
-      "optional": true,
-      "os": [
-        "linux"
-      ],
-      "funding": {
-        "url": "https://opencollective.com/libvips"
-      }
-    },
-    "node_modules/@img/sharp-libvips-linux-s390x": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/@img/sharp-libvips-linux-s390x/-/sharp-libvips-linux-s390x-1.0.4.tgz",
-      "integrity": "sha512-u7Wz6ntiSSgGSGcjZ55im6uvTrOxSIS8/dgoVMoiGE9I6JAfU50yH5BoDlYA1tcuGS7g/QNtetJnxA6QEsCVTA==",
-      "cpu": [
-        "s390x"
-      ],
-      "license": "LGPL-3.0-or-later",
-      "optional": true,
-      "os": [
-        "linux"
-      ],
-      "funding": {
-        "url": "https://opencollective.com/libvips"
-      }
-    },
-    "node_modules/@img/sharp-libvips-linux-x64": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/@img/sharp-libvips-linux-x64/-/sharp-libvips-linux-x64-1.0.4.tgz",
-      "integrity": "sha512-MmWmQ3iPFZr0Iev+BAgVMb3ZyC4KeFc3jFxnNbEPas60e1cIfevbtuyf9nDGIzOaW9PdnDciJm+wFFaTlj5xYw==",
-      "cpu": [
-        "x64"
-      ],
-      "license": "LGPL-3.0-or-later",
-      "optional": true,
-      "os": [
-        "linux"
-      ],
-      "funding": {
-        "url": "https://opencollective.com/libvips"
-      }
-    },
-    "node_modules/@img/sharp-libvips-linuxmusl-arm64": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/@img/sharp-libvips-linuxmusl-arm64/-/sharp-libvips-linuxmusl-arm64-1.0.4.tgz",
-      "integrity": "sha512-9Ti+BbTYDcsbp4wfYib8Ctm1ilkugkA/uscUn6UXK1ldpC1JjiXbLfFZtRlBhjPZ5o1NCLiDbg8fhUPKStHoTA==",
-      "cpu": [
-        "arm64"
-      ],
-      "license": "LGPL-3.0-or-later",
-      "optional": true,
-      "os": [
-        "linux"
-      ],
-      "funding": {
-        "url": "https://opencollective.com/libvips"
-      }
-    },
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-        "fast-fifo": "^1.3.2",
-        "text-decoder": "^1.1.0"
-      },
-      "optionalDependencies": {
-        "bare-events": "^2.2.0"
-      }
-    },
-    "node_modules/string_decoder": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.3.0.tgz",
-      "integrity": "sha512-hkRX8U1WjJFd8LsDJ2yQ/wWWxaopEsABU1XfkM8A+j0+85JAGppt16cr1Whg6KIbb4okU6Mql6BOj+uup/wKeA==",
-      "license": "MIT",
-      "dependencies": {
-        "safe-buffer": "~5.2.0"
-      }
-    },
     "node_modules/string-width": {
       "version": "4.2.3",
       "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz",
@@ -2551,21 +1191,6 @@
         "node": ">=8"
       }
     },
-    "node_modules/string-width-cjs": {
-      "name": "string-width",
-      "version": "4.2.3",
-      "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz",
-      "integrity": "sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==",
-      "license": "MIT",
-      "dependencies": {
-        "emoji-regex": "^8.0.0",
-        "is-fullwidth-code-point": "^3.0.0",
-        "strip-ansi": "^6.0.1"
-      },
-      "engines": {
-        "node": ">=8"
-      }
-    },
     "node_modules/strip-ansi": {
       "version": "6.0.1",
       "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz",
@@ -2578,79 +1203,6 @@
         "node": ">=8"
       }
     },
-    "node_modules/strip-ansi-cjs": {
-      "name": "strip-ansi",
-      "version": "6.0.1",
-      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz",
-      "integrity": "sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==",
-      "license": "MIT",
-      "dependencies": {
-        "ansi-regex": "^5.0.1"
-      },
-      "engines": {
-        "node": ">=8"
-      }
-    },
-    "node_modules/strip-json-comments": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-2.0.1.tgz",
-      "integrity": "sha512-4gB8na07fecVVkOI6Rs4e7T6NOTki5EmL7TUduTs6bu3EdnSycntVJ4re8kgZA+wx9IueI2Y11bfbgwtzuE0KQ==",
-      "license": "MIT",
-      "engines": {
-        "node": ">=0.10.0"
-      }
-    },
-    "node_modules/tar": {
-      "version": "7.4.3",
-      "resolved": "https://registry.npmjs.org/tar/-/tar-7.4.3.tgz",
-      "integrity": "sha512-5S7Va8hKfV7W5U6g3aYxXmlPoZVAwUMy9AOKyF2fVuZa2UD3qZjg578OrLRt8PcNN1PleVaL/5/yYATNL0ICUw==",
-      "license": "ISC",
-      "dependencies": {
-        "@isaacs/fs-minipass": "^4.0.0",
-        "chownr": "^3.0.0",
-        "minipass": "^7.1.2",
-        "minizlib": "^3.0.1",
-        "mkdirp": "^3.0.1",
-        "yallist": "^5.0.0"
-      },
-      "engines": {
-        "node": ">=18"
-      }
-    },
-    "node_modules/tar-fs": {
-      "version": "3.0.8",
-      "resolved": "https://registry.npmjs.org/tar-fs/-/tar-fs-3.0.8.tgz",
-      "integrity": "sha512-ZoROL70jptorGAlgAYiLoBLItEKw/fUxg9BSYK/dF/GAGYFJOJJJMvjPAKDJraCXFwadD456FCuvLWgfhMsPwg==",
-      "license": "MIT",
-      "dependencies": {
-        "pump": "^3.0.0",
-        "tar-stream": "^3.1.5"
-      },
-      "optionalDependencies": {
-        "bare-fs": "^4.0.1",
-        "bare-path": "^3.0.0"
-      }
-    },
-    "node_modules/tar-stream": {
-      "version": "3.1.7",
-      "resolved": "https://registry.npmjs.org/tar-stream/-/tar-stream-3.1.7.tgz",
-      "integrity": "sha512-qJj60CXt7IU1Ffyc3NJMjh6EkuCFej46zUqJ4J7pqYlThyd9bO0XBTmcOIhSzZJVWfsLks0+nle/j538YAW9RQ==",
-      "license": "MIT",
-      "dependencies": {
-        "b4a": "^1.6.4",
-        "fast-fifo": "^1.2.0",
-        "streamx": "^2.15.0"
-      }
-    },
-    "node_modules/text-decoder": {
-      "version": "1.2.3",
-      "resolved": "https://registry.npmjs.org/text-decoder/-/text-decoder-1.2.3.tgz",
-      "integrity": "sha512-3/o9z3X0X0fTupwsYvR03pJ/DjWuqqrfwBgTQzdWDiQSm9KitAyz/9WqsT2JQW7KV2m+bC2ol/zqpW37NHxLaA==",
-      "license": "Apache-2.0",
-      "dependencies": {
-        "b4a": "^1.6.4"
-      }
-    },
     "node_modules/text-decoding": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/text-decoding/-/text-decoding-1.0.0.tgz",
@@ -2728,25 +1280,6 @@
         }
       }
     },
-    "node_modules/tslib": {
-      "version": "2.8.1",
-      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.8.1.tgz",
-      "integrity": "sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w==",
-      "license": "0BSD",
-      "optional": true
-    },
-    "node_modules/tunnel-agent": {
-      "version": "0.6.0",
-      "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
-      "integrity": "sha512-McnNiV1l8RYeY8tBgEpuodCC1mLUdbSN+CYBL7kJsJNInOP8UjDDEwdk6Mw60vdLLrr5NHKZhMAOSrR2NZuQ+w==",
-      "license": "Apache-2.0",
-      "dependencies": {
-        "safe-buffer": "^5.0.1"
-      },
-      "engines": {
-        "node": "*"
-      }
-    },
     "node_modules/typescript": {
       "version": "5.7.3",
       "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.7.3.tgz",
@@ -2768,12 +1301,6 @@
       "dev": true,
       "license": "MIT"
     },
-    "node_modules/util-deprecate": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
-      "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw==",
-      "license": "MIT"
-    },
     "node_modules/v8-compile-cache-lib": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/v8-compile-cache-lib/-/v8-compile-cache-lib-3.0.1.tgz",
@@ -2790,21 +1317,6 @@
         "node": ">= 0.8"
       }
     },
-    "node_modules/which": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
-      "integrity": "sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA==",
-      "license": "ISC",
-      "dependencies": {
-        "isexe": "^2.0.0"
-      },
-      "bin": {
-        "node-which": "bin/node-which"
-      },
-      "engines": {
-        "node": ">= 8"
-      }
-    },
     "node_modules/which-module": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/which-module/-/which-module-2.0.1.tgz",
@@ -2825,24 +1337,6 @@
         "node": ">=8"
       }
     },
-    "node_modules/wrap-ansi-cjs": {
-      "name": "wrap-ansi",
-      "version": "7.0.0",
-      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-7.0.0.tgz",
-      "integrity": "sha512-YVGIj2kamLSTxw6NsZjoBxfSwsn0ycdesmc4p+Q21c5zPuZ1pl+NfxVdxPtdHvmNVOQ6XSYG4AUtyt/Fi7D16Q==",
-      "license": "MIT",
-      "dependencies": {
-        "ansi-styles": "^4.0.0",
-        "string-width": "^4.1.0",
-        "strip-ansi": "^6.0.0"
-      },
-      "engines": {
-        "node": ">=10"
-      },
-      "funding": {
-        "url": "https://github.com/chalk/wrap-ansi?sponsor=1"
-      }
-    },
     "node_modules/wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
@@ -2855,15 +1349,6 @@
       "integrity": "sha512-JKhqTOwSrqNA1NY5lSztJ1GrBiUodLMmIZuLiDaMRJ+itFd+ABVE8XBjOvIWL+rSqNDC74LCSFmlb/U4UZ4hJQ==",
       "license": "ISC"
     },
-    "node_modules/yallist": {
-      "version": "5.0.0",
-      "resolved": "https://registry.npmjs.org/yallist/-/yallist-5.0.0.tgz",
-      "integrity": "sha512-YgvUTfwqyc7UXVMrB+SImsVYSmTS8X/tSrtdNZMImM+n7+QTriRXyXim0mBrTXNeqzVF0KWGgHPeiyViFFrNDw==",
-      "license": "BlueOak-1.0.0",
-      "engines": {
-        "node": ">=18"
-      }
-    },
     "node_modules/yargs": {
       "version": "15.4.1",
       "resolved": "https://registry.npmjs.org/yargs/-/yargs-15.4.1.tgz",
@@ -2908,15 +1393,6 @@
       "engines": {
         "node": ">=6"
       }
-    },
-    "node_modules/zod": {
-      "version": "3.24.2",
-      "resolved": "https://registry.npmjs.org/zod/-/zod-3.24.2.tgz",
-      "integrity": "sha512-lY7CDW43ECgW9u1TcT3IoXHflywfVqDYze4waEz812jR/bZ8FHDsl7pFQoSZTz5N+2NqRXs8GBwnAwo3ZNxqhQ==",
-      "license": "MIT",
-      "funding": {
-        "url": "https://github.com/sponsors/colinhacks"
-      }
     }
   }
 }
diff --git a/backend/package.json b/backend/package.json
index 18deae4..ab5c3e8 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -14,15 +14,13 @@
   "dependencies": {
     "@fastify/cors": "^10.0.2",
     "@fastify/multipart": "^9.0.3",
-    "@imgly/background-removal-node": "^1.4.3",
     "dotenv": "^16.4.7",
     "fastify": "^5.2.1",
     "fastify-cors": "^6.0.3",
     "fastify-multipart": "^5.3.1",
     "libreoffice-convert": "^1.6.0",
     "luxon": "^3.5.0",
-    "qrcode": "^1.5.4",
-    "sharp": "^0.33.5"
+    "qrcode": "^1.5.4"
   },
   "devDependencies": {
     "@types/luxon": "^3.4.2",
diff --git a/backend/src/routes/removebg.route.ts b/backend/src/routes/removebg.route.ts
index 30bb17e..ed55bf9 100644
--- a/backend/src/routes/removebg.route.ts
+++ b/backend/src/routes/removebg.route.ts
@@ -1,13 +1,21 @@
 import { FastifyInstance, FastifyReply, FastifyRequest } from "fastify";
-import { removeBackground } from "@imgly/background-removal-node";
-import sharp from "sharp";
+import { promises as fs } from "fs";
+import * as path from "path";
+import { randomUUID } from "crypto";
+import { spawn } from "child_process";
 
 export async function removeBG(app: FastifyInstance) {
   app.post(
     "/api/remove-bg",
     async (request: FastifyRequest, reply: FastifyReply) => {
+      const tmpDir = path.join(process.cwd(), "tmp");
+      const sessionId = randomUUID();
+      const inputPath = path.join(tmpDir, `input-${sessionId}.png`);
+      const outputPath = path.join(tmpDir, `output-${sessionId}.png`);
+
       try {
         const parts = request.parts();
+        await fs.mkdir(tmpDir, { recursive: true });
 
         let fileBuffer: Buffer | null = null;
 
@@ -21,20 +29,47 @@ export async function removeBG(app: FastifyInstance) {
           return reply.status(400).send({ error: "No file uploaded!" });
         }
 
+        await fs.writeFile(inputPath, fileBuffer);
         console.log("Received file, buffer length:", fileBuffer.length);
 
-        const rightFileBuffer = await sharp(fileBuffer)
-          .toFormat("png")
-          .toBuffer();
-        console.log("Converted file:", rightFileBuffer);
-        const convertedBuffer = await removeBackground(rightFileBuffer);
+        await new Promise<void>((resolve, reject) => {
+          const pythonProcess = spawn("rembg", ["i", inputPath, outputPath]);
+
+          pythonProcess.stderr.on("data", (data) => {
+            console.log(`ffmpeg stderr: ${data}`);
+          });
+
+          pythonProcess.on("close", (code) => {
+            if (code === 0) {
+              resolve();
+            } else {
+              reject(new Error(`rembg process exited with code ${code}`));
+            }
+          });
+
+          pythonProcess.on("error", (err) => {
+            reject(err);
+          });
+        });
+
+        const outputImageBuffer = await fs.readFile(outputPath);
+        await Promise.all([fs.unlink(inputPath), fs.unlink(outputPath)]);
 
         reply
           .header("Content-Type", "image/png")
           .header("Content-Disposition", `attachment; filename="converted.png"`)
           .status(200)
-          .send(convertedBuffer);
+          .send(outputImageBuffer);
       } catch (error) {
+        try {
+          await Promise.all([
+            fs.unlink(inputPath).catch(() => {}),
+            fs.unlink(outputPath).catch(() => {}),
+          ]);
+        } catch (cleanupError) {
+          console.error("Cleanup error:", cleanupError);
+        }
+
         console.error("Convert error:", error);
         reply.status(500).send({ error: "Error while converting!" });
       }

From 2e6bb7053c606a3db500f02d6d3cd5c80a7f22e5 Mon Sep 17 00:00:00 2001
From: theoleuthardt <theoleuthardt12@gmail.com>
Date: Sat, 22 Feb 2025 22:29:47 +0100
Subject: [PATCH 15/16] fix: added dependencies to Dockerfile

---
 backend/Dockerfile | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/backend/Dockerfile b/backend/Dockerfile
index 6583c94..5b753bd 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -2,7 +2,11 @@
 FROM node:18-alpine AS base
 
 # Install system dependencies
-RUN apk add --no-cache libc6-compat libreoffice ttf-liberation
+RUN apk add --no-cache libc6-compat libreoffice ttf-liberation ffmpeg
+RUN apk add --update --no-cache python3 py3-pip \
+    && ln -sf python3 /usr/bin/python \
+    && pip3 install --no-cache --upgrade pip setuptools \
+RUN pip3 install --no-cache watchdog gradio rembg
 
 WORKDIR /app
 

From 21a68e87e74445807cecf5da87f74cd8a1253f20 Mon Sep 17 00:00:00 2001
From: theoleuthardt <theoleuthardt12@gmail.com>
Date: Sat, 22 Feb 2025 23:27:33 +0100
Subject: [PATCH 16/16] fix: ffmpeg now uses right encoder for every supported
 input format

---
 backend/src/routes/videotoaudio.route.ts | 21 ++++++++++++++++-----
 frontend/src/app/video-to-audio/page.tsx |  1 -
 2 files changed, 16 insertions(+), 6 deletions(-)

diff --git a/backend/src/routes/videotoaudio.route.ts b/backend/src/routes/videotoaudio.route.ts
index 31ffe0a..91a5648 100644
--- a/backend/src/routes/videotoaudio.route.ts
+++ b/backend/src/routes/videotoaudio.route.ts
@@ -11,9 +11,14 @@ interface ConversionOptions {
   channels?: number;
   sampleRate?: number;
 }
-
 let options: ConversionOptions;
 
+const ffmpegEncoder: { [key: string]: string } = {
+  ".mp3": "libmp3lame",
+  ".wav": "pcm_s16le",
+  ".aac": "aac",
+};
+
 export async function videoToAudio(app: FastifyInstance) {
   app.post(
     "/api/video-to-audio",
@@ -30,7 +35,7 @@ export async function videoToAudio(app: FastifyInstance) {
 
         let fileBuffer: Buffer | null = null;
         options = {
-          format: "mp3",
+          format: "",
           bitrate: "192k",
           channels: 2,
           sampleRate: 44100,
@@ -42,7 +47,7 @@ export async function videoToAudio(app: FastifyInstance) {
           } else if (part.type === "field") {
             const field = part as MultipartValue<string>;
             switch (field.fieldname) {
-              case "format":
+              case "outputFormat":
                 const format = field.value.toLowerCase();
                 options.format = format;
                 break;
@@ -63,6 +68,8 @@ export async function videoToAudio(app: FastifyInstance) {
           return reply.status(400).send({ error: "No file uploaded!" });
         }
 
+        console.log("options", options);
+
         await fs.writeFile(inputPath, fileBuffer);
 
         await new Promise<void>((resolve, reject) => {
@@ -71,7 +78,7 @@ export async function videoToAudio(app: FastifyInstance) {
             inputPath,
             "-vn",
             "-acodec",
-            options.format === "mp3" ? "libmp3lame" : options.format,
+            ffmpegEncoder[options.format],
             "-ab",
             options.bitrate || "192k",
             "-ac",
@@ -83,8 +90,12 @@ export async function videoToAudio(app: FastifyInstance) {
 
           const ffmpeg = spawn("ffmpeg", args);
 
+          ffmpeg.stdout.on("data", (data) => {
+            console.log(`ffmpeg stdout: ${data}`);
+          });
+
           ffmpeg.stderr.on("data", (data) => {
-            console.log(`ffmpeg stderr: ${data}`);
+            console.error(`ffmpeg stderr: ${data}`);
           });
 
           ffmpeg.on("close", (code) => {
diff --git a/frontend/src/app/video-to-audio/page.tsx b/frontend/src/app/video-to-audio/page.tsx
index cfedd34..9a4439d 100644
--- a/frontend/src/app/video-to-audio/page.tsx
+++ b/frontend/src/app/video-to-audio/page.tsx
@@ -114,7 +114,6 @@ export default function DocConverter() {
               const selectedFormat =
                 event.currentTarget.textContent?.trim() || "";
               setSelectedOutputFormat(selectedFormat);
-              console.log(selectedOutputFormat);
             }}
           />
         </div>