# PDF Tools third-party notices

PDF Tools vendors its runtime dependencies so documents can be processed without sending them to a CDN or other service.

- **pdf-lib 1.17.1** — MIT License. See [`licenses/pdf-lib-LICENSE.md`](./licenses/pdf-lib-LICENSE.md).
- **@pdf-lib/fontkit 1.1.1** — MIT License. This package is used to subset and embed the included font. See the project package metadata and [`licenses/fontkit-LICENSE.md`](./licenses/fontkit-LICENSE.md).
- **PDF.js 5.4.54** — Apache License 2.0. See [`licenses/pdfjs-LICENSE.txt`](./licenses/pdfjs-LICENSE.txt).
- **JSZip 3.10.1** — MIT or GPLv3; this project uses it under the MIT License. See [`licenses/jszip-LICENSE.md`](./licenses/jszip-LICENSE.md).
- **Liberation Sans** — SIL Open Font License 1.1. See [`licenses/Liberation-Fonts-LICENSE.txt`](./licenses/Liberation-Fonts-LICENSE.txt).

The app embeds only the characters used from Liberation Sans into generated PDFs. The font is not sold separately, and the license does not apply to documents created with it.