Open-source licenses
This site uses the open-source projects listed below. Follow the links to their source code and full license notices.
React MIT
React DOM MIT
Scheduler MIT
libheif-js LGPL-3.0
Tesseract.js Apache-2.0
Tesseract.js Core Apache-2.0
pdfjs-dist Apache-2.0
pdf-lib MIT
@pdf-lib/fontkit MIT
@huggingface/transformers Apache-2.0
ONNX Runtime MIT
PDF.js · WASM · CMap · ICC · Standard fonts
- JBIG2 / CCITT · BSD-3-Clause · Apache-2.0 · Full license (LICENSE_JBIG2)
- PDF.js JBIG2 · Apache-2.0 · Full license (LICENSE_PDFJS_JBIG2)
- OpenJPEG · BSD-2-Clause · Full license (LICENSE_OPENJPEG)
- PDF.js OpenJPEG · BSD-2-Clause · Full license (LICENSE_PDFJS_OPENJPEG)
- QCMS · MIT · Full license (LICENSE_QCMS)
- PDF.js QCMS · MIT · Full license (LICENSE_PDFJS_QCMS)
- QuickJS · MIT · Full license (LICENSE_QUICKJS)
- PDF.js QuickJS · MIT · Full license (LICENSE_PDFJS_QUICKJS)
- Adobe CMap · BSD-3-Clause · Full license (LICENSE)
- Foxit · BSD-3-Clause · Full license (LICENSE_FOXIT)
- ICC · CC0-1.0 · Full license (LICENSE)
@tesseract.js-data/* MIT
Language data packages MIT
Xenova/trocr-small-handwritten MIT
team-lucid/trocr-small-korean Apache-2.0
Korean line recognition (handwritten & printed, experimental) · ONNX int8
libheif LGPL-3.0
libheif and libheif-js are provided as unmodified, separate files and can be replaced.
Fonts and emoji
The interface uses system fonts on your device. Licenses for standard fonts distributed for PDF rendering are listed under PDF.js above.