開放原始碼授權
本站的工具使用下列開放原始碼軟體，各個元件都保有自己的授權。下方的授權條文與聲明以英文呈現，因為法律效力以該原文為準。
所有授權條文
影片工具
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
影片工具會在你的瀏覽器中執行 FFmpeg。FFmpeg 是以 GPL 授權的自由軟體。這裡提供授權條文、確切的原始碼與建置資訊。
- 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
內建於 FFmpeg 引擎的函式庫
- 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 工具
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
圖片工具
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
其他軟體
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
商標
FFmpeg is a trademark of Fabrice Bellard; this site is not affiliated with or endorsed by the FFmpeg project.