Open-source licences

Capy Files runs on open-source software and openly licensed AI models, all inside your browser. These are the main parts and their licences. The full list, with every licence text, is in the third-party notices.

Engines

• pdf.js · Showing and reading PDFsApache-2.0
• pdf-lib (@cantoo/pdf-lib) · Editing PDFs, compression, PDF/AMIT
• qpdf (qpdf-wasm) · Merging, splitting, passwords, repairApache-2.0
• Squoosh codecs (jSquash) · Image formats and compressionApache-2.0
• Mediabunny · Video and audioMPL-2.0
• LAME, inside the MP3 encoder · MP3 exportLGPL-2.0
• FFmpeg AAC encoder, inside the AAC encoder · AAC and M4A exportLGPL-2.1
• heic-to (libheif) · iPhone HEIC photosLGPL-3.0
• Transformers.js and ONNX Runtime Web · Running the AI modelsApache-2.0 / MIT
• Tesseract.js · Text recognition (OCR)Apache-2.0
• vtracer · Image to SVGMIT
• fflate · ZIP filesMIT

The LGPL parts are loaded as separate files, only when a tool needs them, and you can swap them for your own builds. Their source code is linked in the notices.

AI models

• BiRefNet Lite, exported at 512×512 sourceMIT
• RealPLKSR 4× super-resolution sourceMIT
• YuNet face detector (2023mar) sourceMIT
• Whisper base sourceApache-2.0 / MIT
• Whisper small sourceApache-2.0 / MIT
• Whisper large-v3 turbo sourceApache-2.0 / MIT
• Tesseract language data (tessdata, LSTM "best_int") sourceApache-2.0

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