Open-source licenses

These tools are built on the open-source libraries below. Each one is served from this site unmodified, next to its license file.

LibraryUsed byLicense
omggif 1.0.10PFP Cropper, Image Deep Fryer, Twitch Emote Resizer, Video Frame Extractor, Round Corners on Image (animated GIF)MIT — license text
fflate 0.8.2Icon Converter, Twitch Emote Resizer, Video Frame Extractor, Round Corners on Image (ZIP)MIT — license text
mp4box.js 0.5.38MB Video Compressor, MP4 Compressor, Video Frame ExtractorBSD-3-Clause — license text
mp4-muxer 5.2.18MB Video Compressor, MP4 CompressorMIT — license text
@ffmpeg/ffmpeg 0.12.158MB Video Compressor, MP4 Compressor (fallback)MIT — license text
@ffmpeg/core 0.12.10 (FFmpeg compiled to WebAssembly)8MB Video Compressor, MP4 Compressor (fallback)GPL-2.0-or-later — license text, source code offer
qrcode-generator 1.4.4Calling QR Code, QR Code Color, 3D QR CodeMIT — license text
jsQR 1.4.0Calling QR Code, QR Code Color, 3D QR Code (scan check)Apache-2.0 — license text

FFmpeg source code

The video tools can fall back to ffmpeg-core, a WebAssembly build of FFmpeg licensed under the GNU GPL version 2 or later. It is served unmodified. The corresponding source code is the ffmpeg.wasm project at github.com/ffmpegwasm/ffmpeg.wasm (packages/core, version 0.12.10, with its build scripts) and FFmpeg at ffmpeg.org. Details are in SOURCE.txt.