Open-source licences
Last updated: October 15, 2026
Pixmorph is built with these open-source projects. They run unmodified in your browser. Their licences and complete source code are available at the links below; for the GPL-licensed FFmpeg and AGPL-licensed Ghostscript engines, you can also request the corresponding source from us at contact@devibna.com.
- FFmpeg / ffmpeg.wasm (@ffmpeg/core) — Video & audio conversion engine (loaded in your browser). Licence: GPL-2.0-or-later (includes x264, x265, libvpx, LAME, Opus, Vorbis, Theora). Source
- FFmpeg source code — Source of the FFmpeg build above. Licence: LGPL-2.1 / GPL-2.0-or-later. Source
- @ffmpeg/ffmpeg, @ffmpeg/util — Loader for the FFmpeg engine. Licence: MIT. Source
- Mediabunny — Hardware-accelerated video conversion (WebCodecs). Licence: MPL-2.0. Source
- ImageMagick (magick-wasm) — Image conversion (HEIC, RAW, PSD, TIFF…). Licence: Apache-2.0. Source
- ONNX Runtime Web — Runs the background-removal model. Licence: MIT. Source
- ormbg model — Background-removal AI model. Licence: Apache-2.0. Source
- woff2-encoder (Google WOFF2) — WOFF2 font compression. Licence: MIT. Source
- fflate — WOFF font, PDF and vector compression. Licence: MIT. Source
- JSZip — ZIP downloads. Licence: MIT. Source
- PDF.js (pdfjs-dist) — Renders PDF and Illustrator pages. Licence: Apache-2.0. Source
- @cantoo/pdf-lib — PDF compression, editing, merge/split and encryption. Licence: MIT. Source
- ag-psd — Reads and writes Photoshop PSD/PSB files. Licence: MIT. Source
- Ghostscript (GhostPDL, via @okathira/ghostpdl-wasm) — Renders EPS, PostScript and PostScript-based Illustrator files (loaded in your browser). Licence: AGPL-3.0-or-later. Source
- ghostpdl-wasm build scripts — WebAssembly build of Ghostscript used above. Licence: AGPL-3.0-or-later. Source
- SVGO — SVG optimizer. Licence: MIT. Source