Open-source licences

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converting.net runs these open-source programs in your browser. Thanks to everyone who builds them. Each one stays under its own licence; follow the source links for the code of each version.

FFmpeg @ffmpeg/core 0.12.10

Video and audio conversion, compression and editing. Built with x264, x265, libvpx, LAME, Vorbis, Opus and other libraries under their own free licences.

Source code Project website
- GPL-2.0-or-later
ffmpeg.wasm @ffmpeg/ffmpeg 0.12.15

Runs FFmpeg in the browser.

Source code
- MIT
Pandoc pandoc-wasm 1.1.0

Document and e-book conversion.

Source code Project website
- GPL-2.0-or-later
LibreOffice @bentopdf/libreoffice-wasm 2.3.1

Office documents, spreadsheets and presentations.

Source code Project website
- MPL-2.0
ImageMagick @imagemagick/magick-wasm 0.0.45

Image conversion, editing and compression.

Source code Project website
- Apache-2.0
- ImageMagick
PDF.js pdfjs-dist 6.4.299

PDF previews and PDF to image or text.

Source code
- Apache-2.0
pdf-lib @pdfme/pdf-lib 6.2.4

PDF tools.

Source code
- MIT
qpdf @neslinesli93/qpdf-wasm 0.3.0

PDF passwords and compression.

Source code Project website
- Apache-2.0
- ISC
libarchive libarchive.js 2.0.2

Reading archives (ZIP, 7z, RAR, TAR …).

Source code Project website
- MIT
- BSD-2-Clause
fflate fflate 0.8.3

Creating ZIP and GZIP files.

Source code
- MIT
Tesseract tesseract.js 7.0.0

Text recognition (OCR). English and German language models from tesseract-ocr/tessdata (Apache-2.0).

Source code Project website
- Apache-2.0
foliate-js foliate-js 1.0.1

Reading Kindle e-books (MOBI, AZW3).

Source code
- MIT
Inter @fontsource-variable/inter 5.3.0

Typeface.

Source code
- OFL-1.1
Lucide lucide-static 1.53.0

Icons.

Source code
- ISC

The website itself is built with Laravel and Tailwind CSS (both MIT).