Convert animated GIFs into animated SVGs with FrameSVG through its web app, command-line tool, or Python library.
Open source
24 alternativesGifski
Gifski converts video frames into animated GIFs using palette and dithering techniques, with command-line and library use described.
About Gifski
Gifski is a command-line GIF encoder built on libimagequant (pngquant). It converts video frames or a directory of PNG frames into animated GIFs, using cross-frame palettes and temporal dithering so each frame can use thousands of colors. It can also be compiled as a C library for use inside other applications.
Key features
- Converts video frames or PNG sequences into animated GIFs
- Cross-frame palettes and temporal dithering for thousands of colors per frame
- Accepts piped YUV4MPEG input from ffmpeg
- Width, height, quality, lossy-quality and motion-quality controls
- Can be compiled as a C library for other applications
- WebAssembly build support via wasm-pack
Best for: Developers and other users comfortable with a terminal who need to turn video or PNG frame sequences into animated GIFs.
Good for
- Produces animated GIFs that use thousands of colors per frame
- Installable via Homebrew or cargo, or downloadable from the releases page
- Can be embedded in other apps through a C library API
Watch out for
- Command-line only; the Windows and macOS GUI versions are separate
- GIF compression limits mean smaller files come at a noticeable quality cost
- The estimated output file size shown during compression is imprecise
Gifski at a glance
- Website
- github.com/ImageOptim/gifski
- Category
- Design & Creative › Image Creation & Editing
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Platforms
- macOS, Windows
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
Gifski alternatives
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24 alternativesUse Gifsicle from the command line to work with animated GIFs, with source code and documentation available.
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Gifski FAQ
How do I convert a video to a GIF with Gifski?
Pipe ffmpeg output to gifski, for example: ffmpeg -i video.mp4 -f yuv4mpegpipe - | gifski -o anim.gif -
Can Gifski use PNG frames as input?
Yes. A directory of PNG frames can be passed, for example gifski -o anim.gif frame*.png, though the wildcard will not work inside a quoted string.
How can I make the GIF file smaller?
Use --width and --height to reduce dimensions, or lower --quality. --lossy-quality and --motion-quality reduce size further, at the cost of noise, grain, smearing or banding.
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