Credits and licenses
PDFortis is built on open-source projects. We thank their authors and respect their licenses, which allow use, including commercial use, provided authorship is acknowledged.
Software included in the site
| Project | What we use it for | License |
|---|---|---|
| pdf-lib 1.17.1 · © Andrew Dillon | Creating and editing PDFs | MIT |
| PDF.js 3.11.174 · © Mozilla | Reading, displaying and extracting text from PDFs | Apache 2.0 |
| JSZip 3.10.1 · © Stuart Knightley and contributors | Creating .ZIP files | MIT (dual-licensed MIT/GPLv3; used under MIT) |
| Lucide 1.66.0 · © Lucide Contributors | Icons | ISC |
| qpdf · © Jay Berkenbilt, compiled to WebAssembly by qpdf-wasm 0.3.0 | Adding and removing passwords | Apache 2.0 (qpdf) · ISC (qpdf-wasm) |
| SheetJS Community Edition 0.18.5 · © SheetJS LLC | Creating Excel files | Apache 2.0 |
| Tailwind CSS 3.4.17 · © Tailwind Labs | Styling | MIT |
Software downloaded when you use OCR
| Project | What we use it for | License |
|---|---|---|
| Tesseract.js 5.1.1 and the Tesseract OCR engine, with its language data | Text recognition (OCR). Downloaded from cdn.jsdelivr.net only when the tool is used | Apache 2.0 |
Typefaces
| Font | Authors | License |
|---|---|---|
| Outfit | The Outfit Project Authors | SIL Open Font License 1.1 |
| Plus Jakarta Sans | The Plus Jakarta Sans Project Authors (Tokotype) | SIL Open Font License 1.1 |
The fonts are hosted on our own server; they are not loaded from Google Fonts.
External services
The "Translate PDF" tool uses the free MyMemory API (Translated S.r.l.), only after the user explicitly consents.
License texts
Each library's files keep their original copyright notices.