Licences open source

FFmpeg video engine (@ffmpeg/core and @ffmpeg/core-mt) 0.12.10

• License: GPL-2.0-or-later
• Project: https://ffmpeg.org/
• Source code and build recipe for this build: https://github.com/ffmpegwasm/ffmpeg.wasm/tree/71aa99d37c02a7b4c435275ca9ef50e612f6efa1

Les outils vidéo exécutent FFmpeg dans votre navigateur. FFmpeg est un logiciel libre sous licence GPL. Vous trouverez ici la licence, le code source exact et les détails de compilation.

• Loaded at run time from cdn.jsdelivr.net, pinned to version 0.12.10. Licensed under the GNU General Public License v2.0 or later. You may follow version 2 (gnu.org, copy on this site) or version 3 (gnu.org, copy on this site).
• The source link above is the release commit of core 0.12.10. The build recipe is the Dockerfile and build/*.sh in that tree. x264 upstream: https://code.videolan.org/videolan/x264.
• Configure line: --enable-gpl --enable-libx264 --enable-libx265 --enable-libvpx --enable-libmp3lame --enable-libtheora --enable-libvorbis --enable-libopus --enable-zlib --enable-libwebp --enable-libfreetype --enable-libfribidi --enable-libass --enable-libzimg

Bibliothèques intégrées au moteur FFmpeg

• FFmpeg n5.1.4, GPL-2.0-or-later (built with --enable-gpl), https://github.com/FFmpeg/FFmpeg/tree/n5.1.4
• x264, GPL-2.0-or-later, https://github.com/ffmpegwasm/x264/tree/33cac6b77d5b9259c552156013a817ab23119612 (The upstream Dockerfile names a moving branch here, so the build reference is not pinned. Source shown is the head of branch 4-cores observed on 2026-09-30.)
• x265 3.4, GPL-2.0-or-later, https://github.com/ffmpegwasm/x265/tree/3.4
• libvpx v1.13.1, BSD-3-Clause with the WebM patent grant, https://github.com/ffmpegwasm/libvpx/tree/v1.13.1
• Opus v1.3.1, BSD-3-Clause, https://github.com/ffmpegwasm/opus/tree/v1.3.1
• LAME, LGPL-2.0-or-later (GNU Library General Public License, version 2 or later), https://github.com/ffmpegwasm/lame (The upstream Dockerfile names a moving branch here, so the build reference is not pinned. Source shown is branch master as observed on 2026-09-30.)
• libogg v1.3.4, BSD-3-Clause, https://github.com/ffmpegwasm/Ogg/tree/v1.3.4
• libvorbis v1.3.3, BSD-3-Clause, https://github.com/ffmpegwasm/vorbis/tree/v1.3.3
• libtheora v1.1.1, BSD-3-Clause, https://github.com/ffmpegwasm/theora/tree/v1.1.1
• zlib v1.2.11, zlib License, https://github.com/ffmpegwasm/zlib/tree/v1.2.11
• libwebp v1.3.2, BSD-3-Clause, https://github.com/ffmpegwasm/libwebp/tree/v1.3.2
• FreeType 2.10.4, FreeType License or GPL-2.0-or-later, https://github.com/ffmpegwasm/freetype2/tree/VER-2-10-4
• FriBidi 1.0.9, LGPL-2.1-or-later, https://github.com/fribidi/fribidi/tree/v1.0.9
• HarfBuzz 5.2.0, MIT ("Old MIT"), https://github.com/harfbuzz/harfbuzz/tree/5.2.0
• libass 0.15.0, ISC, https://github.com/libass/libass/tree/0.15.0
• zimg 3.0.5, WTFPL, https://github.com/sekrit-twc/zimg/tree/release-3.0.5

@ffmpeg/ffmpeg 0.12.15

• License: MIT
• Copyright (c) 2019 Jerome Wu
• Project: https://github.com/ffmpegwasm/ffmpeg.wasm

@ffmpeg/util 0.12.2

• License: MIT
• Copyright (c) 2019 Jerome Wu
• Project: https://github.com/ffmpegwasm/ffmpeg.wasm

pdf-lib 1.17.1

• License: MIT
• Copyright (c) 2019 Andrew Dillon
• Project: https://pdf-lib.js.org

PDF.js (pdfjs-dist) 6.3.289

• License: Apache-2.0
• Mozilla Foundation and contributors. Includes OpenJPEG, JBIG2, QCMS, Liberation and Foxit fonts, CMaps and ICC profiles under their own licenses.
• Project: https://mozilla.github.io/pdf.js/

qpdf (via @neslinesli93/qpdf-wasm) 0.3.0

• License: Apache-2.0 (qpdf); ISC (wasm wrapper)
• qpdf is copyright (c) 2005-2021 Jay Berkenbilt, 2022-2026 Jay Berkenbilt and Manfred Holger
• Project: https://github.com/qpdf/qpdf

jSquash (@jsquash/jpeg, webp, avif, png, oxipng) jpeg 1.6.0, webp 1.5.0, avif 2.1.1, png 3.1.1, oxipng 2.3.0

• License: Apache-2.0
• Project: https://github.com/jamsinclair/jSquash

MozJPEG / libjpeg-turbo codec bundled in @jsquash/jpeg 1.6.0

• License: IJG and BSD-style licenses
• Project: https://github.com/mozilla/mozjpeg

libwebp codec bundled in @jsquash/webp 1.5.0

• License: BSD-3-Clause
• Copyright (c) 2010, Google Inc.
• Project: https://chromium.googlesource.com/webm/libwebp

libavif codec bundled in @jsquash/avif 2.1.1

• License: BSD-2-Clause
• Copyright 2019 Joe Drago
• Project: https://github.com/AOMediaCodec/libavif

oxipng codec bundled in @jsquash/oxipng 2.3.0

• License: MIT
• Copyright (c) 2016 Joshua Holmer
• Project: https://github.com/shssoichiro/oxipng

fflate 0.8.3

• License: MIT
• Copyright (c) 2026 Arjun Barrett
• Project: https://github.com/101arrowz/fflate

Preact (with @preact/signals) 11.0.0

• License: MIT
• Copyright (c) 2015-present Jason Miller; Copyright (c) 2022-present Preact Team
• Project: https://preactjs.com

Astro (with @astrojs/preact) 7.3.5

• License: MIT
• Copyright (c) 2021 Fred K. Schott
• Project: https://astro.build

Bricolage Grotesque font (@fontsource-variable/bricolage-grotesque) 5.3.0

• License: OFL-1.1
• Copyright 2022 The Bricolage Grotesque Project Authors (https://github.com/ateliertriay/bricolage)
• Project: https://github.com/ateliertriay/bricolage