Legal · Licences
Open-source software on this website
@ffmpeg/core 0.12.10 (GPL)
ffmpeg.wasm core: FFmpeg and the libraries it is built with (x264, x265 and others), compiled to WebAssembly. Licensed under the GNU General Public License, version 2 or (at your option) any later version. It comes with ABSOLUTELY NO WARRANTY. You may copy, modify and redistribute it under the terms of that licence. We have not modified it. The source code of the exact version we serve, FFmpeg and the GPL and LGPL libraries included, can be downloaded from this site below; the remaining libraries' sources are linked at their projects.
Teachers' browsers load it to join class recordings; it runs on your device. Licence: GPL-2.0-or-later.
Source code, from this site
- ffmpeg.wasm-0.12.10.tar.gz ffmpeg.wasm v0.12.10 (build scripts, bindings, Dockerfile), 1.1 MBSHA-256 3f1c3f94143d11e3bbb322bd8a1a3189965f31162cf7e889fd3b7e21a928d1ea
- FFmpeg-n5.1.4.tar.gz FFmpeg n5.1.4 (the tag the build checks out), 13.8 MBSHA-256 6ed8ba17d513955cd9a03d0d87195b8eac3d148dcb61ef30ebddf1a3cd718de8
- x264-33cac6b.tar.gz x264, ffmpegwasm fork, branch 4-cores at commit 33cac6b (GPL-2.0-or-later), 0.9 MBSHA-256 75434a5a1f2d7d4314821c6054dd300731d69e2fa73314ba4a5ec9df38d4ec80
- x265-3.4.tar.gz x265 3.4, ffmpegwasm fork (GPL-2.0-or-later), 1.5 MBSHA-256 abd37f4ab99570fcf2272c47239653204b0854ea5ef19df3729112aaa1f6f311
- lame-2badea1.tar.gz LAME, ffmpegwasm fork, branch master at commit 2badea1 (LGPL-2.0-or-later), 1.5 MBSHA-256 0d97ba0776988f5730e0ce1fa936e7c5d6836c757993ba55073513fe89cf410a
- fribidi-v1.0.9.tar.gz FriBidi v1.0.9 (LGPL-2.1-or-later), 2.0 MBSHA-256 ef6f940d04213a0fb91a0177b2b57df2031bf3a7e2cd0ee2c6877a160fc206df
The same, and the other libraries, upstream
- Source code of version 0.12.10 (ffmpeg.wasm on GitHub, with the build scripts and the exact FFmpeg and library versions)
- The @ffmpeg/core 0.12.10 package we serve
- GNU General Public License, version 2
Other libraries built into it (source archives of the pinned versions):
- libvpx v1.13.1 (BSD-3-Clause)
- Ogg v1.3.4 (BSD-3-Clause)
- Theora v1.1.1 (BSD-3-Clause)
- Opus v1.3.1 (BSD-3-Clause)
- Vorbis v1.3.3 (BSD-3-Clause)
- zlib v1.2.11 (Zlib)
- libwebp v1.3.2 (BSD-3-Clause)
- FreeType 2.10.4 (FTL or GPL-2.0)
- HarfBuzz 5.2.0 (MIT)
- libass 0.15.0 (ISC)
- zimg release-3.0.5 (WTFPL)
Files served from this site: /ffmpeg/ffmpeg-core.js, /ffmpeg/ffmpeg-core.wasm. To ask for a copy of the source code from us, email support@codinzy.com.
All packages, by licence
Every package of the website's production build (the pages and the server that renders them), with the licence its authors published. Each licence's full text is in the package.
MIT (319)
- @alloc/quick-lru 5.3.0
- @antfu/install-pkg 2.1.0
- @babel/code-frame 7.29.7
- @babel/helper-validator-identifier 7.29.7
- @babel/runtime 7.29.7
- @braintree/sanitize-url 6.0.2
- @braintree/sanitize-url 7.1.2
- @emnapi/core 1.11.1
- @emnapi/runtime 1.11.1
- @emnapi/runtime 1.11.3
- @emnapi/wasi-threads 1.2.2
- @excalidraw/excalidraw 0.18.1
- @excalidraw/laser-pointer 1.3.1
- @excalidraw/markdown-to-text 0.1.2
- @excalidraw/mermaid-to-excalidraw 2.2.2
- @excalidraw/random-username 1.1.0
- @ffmpeg/ffmpeg 0.12.15
- @ffmpeg/types 0.12.4
- @ffmpeg/util 0.12.2
- @floating-ui/core 1.8.0
- @floating-ui/dom 1.8.0
- @floating-ui/react-dom 2.1.9
- @floating-ui/utils 0.2.12
- @heroicons/react 2.2.0
- @iconify/types 2.0.0
- @iconify/utils 3.1.7
- @jridgewell/gen-mapping 0.3.13
- @jridgewell/remapping 2.3.5
- @jridgewell/resolve-uri 3.1.2
- @jridgewell/sourcemap-codec 1.6.0
- @jridgewell/trace-mapping 0.3.31
- @kurkle/color 0.3.4
- @mermaid-js/parser 0.6.3
- @mermaid-js/parser 1.2.1
- @napi-rs/wasm-runtime 1.1.4
- @next/env 16.4.3
- @next/swc-darwin-arm64 16.4.3
- @next/swc-darwin-x64 16.4.3
- @next/swc-linux-arm64-gnu 16.4.3
- @next/swc-linux-arm64-musl 16.4.3
- @next/swc-linux-x64-gnu 16.4.3
- @next/swc-linux-x64-musl 16.4.3
- @next/swc-win32-arm64-msvc 16.4.3
- @next/swc-win32-x64-msvc 16.4.3
- @popperjs/core 2.11.8
- @radix-ui/primitive 1.0.0
- @radix-ui/primitive 1.1.1
- @radix-ui/react-arrow 1.1.2
- @radix-ui/react-collection 1.0.1
- @radix-ui/react-compose-refs 1.0.0
- @radix-ui/react-compose-refs 1.1.1
- @radix-ui/react-context 1.0.0
- @radix-ui/react-context 1.1.1
- @radix-ui/react-direction 1.0.0
- @radix-ui/react-dismissable-layer 1.1.5
- @radix-ui/react-focus-guards 1.1.1
- @radix-ui/react-focus-scope 1.1.2
- @radix-ui/react-id 1.0.0
- @radix-ui/react-id 1.1.0
- @radix-ui/react-popover 1.1.6
- @radix-ui/react-popper 1.2.2
- @radix-ui/react-portal 1.1.4
- @radix-ui/react-presence 1.0.0
- @radix-ui/react-presence 1.1.2
- @radix-ui/react-primitive 1.0.1
- @radix-ui/react-primitive 2.0.2
- @radix-ui/react-roving-focus 1.0.2
- @radix-ui/react-slot 1.0.1
- @radix-ui/react-slot 1.1.2
- @radix-ui/react-tabs 1.0.2
- @radix-ui/react-use-callback-ref 1.0.0
- @radix-ui/react-use-callback-ref 1.1.0
- @radix-ui/react-use-controllable-state 1.0.0
- @radix-ui/react-use-controllable-state 1.1.0
- @radix-ui/react-use-escape-keydown 1.1.0
- @radix-ui/react-use-layout-effect 1.0.0
- @radix-ui/react-use-layout-effect 1.1.0
- @radix-ui/react-use-rect 1.1.0
- @radix-ui/react-use-size 1.1.0
- @radix-ui/rect 1.1.0
- @restart/hooks 0.4.16
- @tailwindcss/node 4.3.3
- @tailwindcss/oxide 4.3.3
- @tailwindcss/oxide-android-arm64 4.3.3
- @tailwindcss/oxide-darwin-arm64 4.3.3
- @tailwindcss/oxide-darwin-x64 4.3.3
- @tailwindcss/oxide-freebsd-x64 4.3.3
- @tailwindcss/oxide-linux-arm-gnueabihf 4.3.3
- @tailwindcss/oxide-linux-arm64-gnu 4.3.3
- @tailwindcss/oxide-linux-arm64-musl 4.3.3
- @tailwindcss/oxide-linux-x64-gnu 4.3.3
- @tailwindcss/oxide-linux-x64-musl 4.3.3
- @tailwindcss/oxide-wasm32-wasi 4.3.3
- @tailwindcss/oxide-win32-arm64-msvc 4.3.3
- @tailwindcss/oxide-win32-x64-msvc 4.3.3
- @tailwindcss/postcss 4.3.3
- @tanstack/query-core 5.104.1
- @tanstack/react-query 5.104.1
- @testing-library/dom 10.4.2
- @testing-library/react 16.3.3
- @tybys/wasm-util 0.10.2
- @types/aria-query 5.0.4
- @types/d3 7.4.3
- @types/d3-array 3.2.2
- @types/d3-axis 3.0.6
- @types/d3-brush 3.0.6
- @types/d3-chord 3.0.6
- @types/d3-color 3.1.3
- @types/d3-contour 3.0.6
- @types/d3-delaunay 6.0.4
- @types/d3-dispatch 3.0.7
- @types/d3-drag 3.0.7
- @types/d3-dsv 3.0.7
- @types/d3-ease 3.0.2
- @types/d3-fetch 3.0.7
- @types/d3-force 3.0.10
- @types/d3-format 3.0.4
- @types/d3-geo 3.1.1
- @types/d3-hierarchy 3.1.7
- @types/d3-interpolate 3.0.4
- @types/d3-path 3.1.1
- @types/d3-polygon 3.0.2
- @types/d3-quadtree 3.0.6
- @types/d3-random 3.0.4
- @types/d3-scale 4.0.9
- @types/d3-scale-chromatic 3.1.0
- @types/d3-selection 3.0.12
- @types/d3-shape 3.2.0
- @types/d3-time 3.0.4
- @types/d3-time-format 4.0.3
- @types/d3-timer 3.0.2
- @types/d3-transition 3.0.9
- @types/d3-zoom 3.0.9
- @types/events 3.0.3
- @types/geojson 7946.0.16
- @types/node 20.19.43
- @types/react 19.3.0
- @types/trusted-types 2.0.7
- @types/warning 3.0.4
- @upsetjs/venn.js 2.0.0
- agent-base 6.0.2
- ansi-regex 5.0.1
- ansi-styles 5.2.0
- aria-hidden 1.2.6
- asynckit 0.4.0
- axios 1.20.0
- binary-extensions 2.3.0
- braces 3.0.3
- call-bind-apply-helpers 1.0.2
- canvas-roundrect-polyfill 0.0.1
- chart.js 4.5.1
- chevrotain-allstar 0.3.1
- chokidar 3.6.0
- cldrjs 0.5.5
- client-only 0.0.1
- clsx 1.1.1
- clsx 2.1.1
- combined-stream 1.0.8
- commander 7.2.0
- commander 8.3.0
- cose-base 1.0.3
- cose-base 2.2.0
- country-flag-emoji-polyfill 0.1.10
- cross-env 7.0.3
- cross-spawn 7.0.6
- csstype 3.2.3
- cytoscape 3.34.3
- cytoscape-cose-bilkent 4.1.0
- cytoscape-fcose 2.2.0
- dagre-d3-es 7.0.14
- date-arithmetic 4.1.0
- dayjs 1.11.23
- debug 4.4.3
- delayed-stream 1.0.0
- dequal 2.0.3
- detect-node-es 1.1.0
- dom-accessibility-api 0.5.16
- dom-helpers 5.2.1
- dom-helpers 6.0.1
- dunder-proto 1.0.1
- enhanced-resolve 5.26.0
- es-define-property 1.0.1
- es-errors 1.3.0
- es-object-atoms 1.1.2
- es-set-tostringtag 2.1.0
- es-toolkit 1.52.0
- es6-promise-pool 2.5.0
- events 3.3.0
- fastdom 1.0.12
- fill-range 7.1.1
- follow-redirects 1.16.2
- form-data 4.0.6
- framer-motion 14.0.0
- fsevents 2.3.3
- function-bind 1.1.2
- fuzzy 0.1.3
- get-intrinsic 1.3.0
- get-nonce 1.0.1
- get-proto 1.0.1
- globalize 1.7.1
- glur 1.1.2
- goober 2.1.19
- gopd 1.2.0
- hachure-fill 0.5.2
- has-symbols 1.1.0
- has-tostringtag 1.0.2
- hasown 2.0.4
- https-proxy-agent 5.0.1
- iconv-lite 0.6.3
- image-blob-reduce 3.0.1
- immutable 4.3.9
- import-meta-resolve 4.2.0
- invariant 2.2.4
- is-binary-path 2.1.0
- is-extglob 2.1.1
- is-glob 4.0.3
- is-number 7.0.0
- jiti 2.7.0
- jotai 2.11.0
- jotai-scope 0.7.2
- js-tokens 4.0.0
- katex 0.16.47
- khroma 2.1.0
- langium 3.3.1
- layout-base 1.0.2
- layout-base 2.0.1
- lenis 1.3.26
- lodash 4.18.1
- lodash-es 4.18.1
- lodash.debounce 4.0.8
- lodash.throttle 4.1.1
- loose-envify 1.4.0
- luxon 3.7.2
- lz-string 1.5.0
- magic-string 0.30.21
- marked 16.4.2
- math-intrinsics 1.1.0
- memoize-one 6.0.0
- mermaid 11.17.2
- mime-db 1.52.0
- mime-types 2.1.35
- moment 2.31.0
- moment-timezone 0.5.48
- motion-dom 14.0.0
- motion-utils 14.0.0
- ms 2.1.3
- multimath 2.0.0
- nanoid 3.3.20
- nanoid 4.0.2
- next 16.4.3
- normalize-path 3.0.0
- object-assign 4.1.1
- open-color 1.9.1
- package-manager-detector 1.9.0
- path-data-parser 0.1.0
- path-key 3.1.1
- perfect-freehand 1.2.0
- pica 7.1.1
- picomatch 2.3.2
- png-chunk-text 1.0.0
- png-chunks-encode 1.0.0
- png-chunks-extract 1.0.0
- points-on-curve 0.2.0
- points-on-curve 1.0.1
- points-on-path 0.2.1
- postcss 8.5.23
- postcss 8.5.29
- pretty-format 27.5.1
- prop-types 15.8.1
- proxy-from-env 2.1.0
- react 19.3.0
- react-big-calendar 1.20.0
- react-chartjs-2 5.3.1
- react-dom 19.3.0
- react-hot-toast 2.6.1
- react-is 16.13.1
- react-is 17.0.2
- react-lifecycles-compat 3.0.4
- react-overlays 5.2.1
- react-remove-scroll 2.7.2
- react-remove-scroll-bar 2.3.8
- react-style-singleton 2.2.3
- readdirp 3.6.0
- roughjs 4.6.4
- roughjs 4.6.6
- safer-buffer 2.1.2
- sass 1.51.0
- scheduler 0.28.0
- shebang-command 2.0.0
- shebang-regex 3.0.0
- sliced 1.0.1
- strictdom 1.0.1
- styled-jsx 5.1.6
- stylis 4.4.0
- sweetalert2 11.26.25
- tailwind-merge 3.7.0
- tailwindcss 4.3.3
- tailwindcss-animate 1.0.7
- tapable 2.3.3
- tinyexec 1.3.1
- to-regex-range 5.0.1
- ts-dedent 2.3.0
- tunnel-rat 0.1.2
- uncontrollable 7.2.1
- undici-types 6.21.0
- use-callback-ref 1.3.3
- use-sidecar 1.1.3
- use-sync-external-store 1.7.0
- uuid 14.0.2
- vscode-jsonrpc 8.2.0
- vscode-languageserver 9.0.1
- vscode-languageserver-protocol 3.17.5
- vscode-languageserver-textdocument 1.0.15
- vscode-languageserver-types 3.17.5
- vscode-uri 3.0.8
- warning 4.0.3
- webworkify 1.5.0
- zustand 4.5.7
- zustand 5.0.15
ISC (41)
- anymatch 3.1.3
- d3 7.9.0
- d3-array 3.2.4
- d3-axis 3.0.0
- d3-brush 3.0.0
- d3-chord 3.0.1
- d3-color 3.1.0
- d3-contour 4.0.2
- d3-delaunay 6.0.4
- d3-dispatch 3.0.1
- d3-drag 3.0.0
- d3-dsv 3.0.1
- d3-fetch 3.0.1
- d3-force 3.0.0
- d3-format 3.1.2
- d3-geo 3.1.1
- d3-hierarchy 3.1.2
- d3-interpolate 3.0.1
- d3-path 3.1.0
- d3-polygon 3.0.1
- d3-quadtree 3.0.1
- d3-random 3.0.1
- d3-scale 4.0.2
- d3-scale-chromatic 3.1.0
- d3-selection 3.0.0
- d3-shape 3.2.0
- d3-time 3.1.0
- d3-time-format 4.1.0
- d3-timer 3.0.1
- d3-transition 3.0.1
- d3-zoom 3.0.0
- delaunator 5.1.0
- glob-parent 5.1.2
- graceful-fs 4.2.11
- inherits 2.0.4
- internmap 1.0.1
- internmap 2.0.3
- isexe 2.0.0
- lucide-react 1.52.0
- picocolors 1.1.1
- which 2.0.2
Apache-2.0 (27)
- @chevrotain/cst-dts-gen 11.0.3
- @chevrotain/gast 11.0.3
- @chevrotain/regexp-to-ast 11.0.3
- @chevrotain/types 11.0.3
- @chevrotain/types 11.1.2
- @chevrotain/utils 11.0.3
- @img/sharp-darwin-arm64 0.35.5
- @img/sharp-darwin-x64 0.35.5
- @img/sharp-freebsd-wasm32 0.35.5
- @img/sharp-linux-arm 0.35.5
- @img/sharp-linux-arm64 0.35.5
- @img/sharp-linux-ppc64 0.35.5
- @img/sharp-linux-riscv64 0.35.5
- @img/sharp-linux-s390x 0.35.5
- @img/sharp-linux-x64 0.35.5
- @img/sharp-linuxmusl-arm64 0.35.5
- @img/sharp-linuxmusl-x64 0.35.5
- @img/sharp-webcontainers-wasm32 0.35.5
- @mediapipe/selfie_segmentation 0.1.1675465747
- @swc/helpers 0.5.23
- aria-query 5.3.0
- baseline-browser-mapping 2.11.27
- browser-fs-access 0.29.1
- chevrotain 11.0.3
- crc-32 0.3.0
- detect-libc 2.1.2
- pwacompat 2.0.17
MPL-2.0 (12)
- lightningcss 1.32.0
- lightningcss-android-arm64 1.32.0
- lightningcss-darwin-arm64 1.32.0
- lightningcss-darwin-x64 1.32.0
- lightningcss-freebsd-x64 1.32.0
- lightningcss-linux-arm-gnueabihf 1.32.0
- lightningcss-linux-arm64-gnu 1.32.0
- lightningcss-linux-arm64-musl 1.32.0
- lightningcss-linux-x64-gnu 1.32.0
- lightningcss-linux-x64-musl 1.32.0
- lightningcss-win32-arm64-msvc 1.32.0
- lightningcss-win32-x64-msvc 1.32.0
LGPL-3.0-or-later (10)
- @img/sharp-libvips-darwin-arm64 1.3.4
- @img/sharp-libvips-darwin-x64 1.3.4
- @img/sharp-libvips-linux-arm 1.3.4
- @img/sharp-libvips-linux-arm64 1.3.4
- @img/sharp-libvips-linux-ppc64 1.3.4
- @img/sharp-libvips-linux-riscv64 1.3.4
- @img/sharp-libvips-linux-s390x 1.3.4
- @img/sharp-libvips-linux-x64 1.3.4
- @img/sharp-libvips-linuxmusl-arm64 1.3.4
- @img/sharp-libvips-linuxmusl-x64 1.3.4
BSD-3-Clause (7)
Apache-2.0 AND LGPL-3.0-or-later (3)
- @img/sharp-win32-arm64 0.35.5
- @img/sharp-win32-ia32 0.35.5
- @img/sharp-win32-x64 0.35.5
(CC-BY-4.0 AND OFL-1.1 AND MIT) (1)
(MIT AND Zlib) (1)
- pako 2.0.3
(MPL-2.0 OR Apache-2.0) (1)
- dompurify 3.4.17
0BSD (1)
- tslib 2.8.1
Apache-2.0 AND LGPL-3.0-or-later AND MIT (1)
- @img/sharp-wasm32 0.35.5
BSD-2-Clause (1)
- @digitalsamba/embedded-sdk 0.0.57
CC-BY-4.0 (1)
- caniuse-lite 1.0.30001814
CC0-1.0 (1)
- fractional-indexing 3.2.0
GPL-2.0-or-later (1)
- @ffmpeg/core 0.12.10
Unlicense (1)
- robust-predicates 3.0.3
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