Licences
Built on open source
PDF Tools is made possible by these projects. Thank you to their authors. Each is used under the licence shown; full licence texts are in the linked repositories.
| Project | Used for | Licence |
|---|---|---|
| pdf-lib (@cantoo/pdf-lib) | Creating, merging, splitting, encrypting and decrypting PDFs | MIT |
| PDF.js (pdfjs-dist) | Rendering pages and previews | Apache-2.0 |
| OpenJPEG (in PDF.js) | Decoding JPEG 2000 images inside PDFs | BSD-2-Clause |
| PDFium JBIG2 decoder (in PDF.js) | Decoding JBIG2 scanned images | BSD-3-Clause |
| qcms (in PDF.js) | Colour management | MIT |
| fflate | Creating ZIP downloads | MIT |
| dnd kit | Drag-and-drop reordering | MIT |
| Lucide | Icons | ISC |
| Next.js | Web framework | MIT |
| React | User interface | MIT |
| Tailwind CSS | Styling | MIT |
| Literata, IBM Plex Sans & Mono, Dancing Script, Great Vibes, Caveat | Fonts (self-hosted) | SIL Open Font License 1.1 |