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Open-source licenses

PDFEdit is built with open-source software. Each library we ship is listed below with its version, license and links to the license text and source code.

Last updated 2026-10-10

pdfjs-dist

Apache-2.0

Version 6.4.299 · github.com/mozilla/pdf.js/tree/v6.4.299

Shows PDF pages for previews and the editor.

License text Source code

@cantoo/pdf-lib

MIT

Version 2.11.1 · www.npmjs.com/package/@cantoo/pdf-lib/v/2.11.1

Creates and edits PDF files.

License text Source code

libheif-js

LGPL-3.0

Version 1.23.5 · github.com/catdad-experiments/libheif-js/tree/1.23.5

Opens HEIC photos when your browser can't. Loaded as a separate WebAssembly file only when you add a HEIC photo, so it can be replaced. The libheif source code is linked below.

License text Source code

Bundled in libheif-js 1.23.5

libheif 1.23.5 · LGPL-3.0

License text Source code

libde265 1.0.15 · LGPL-3.0

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jszip

MIT or GPLv3

Version 3.10.2 · github.com/Stuk/jszip/tree/v3.10.2

Creates ZIP files for multi-file downloads.

License text Source code