Compress GIF Online for Free
Animated GIFs are notorious for bloated file sizes — a few seconds of animation can easily balloon past several megabytes, which slows down chat apps, blows past attachment limits, and makes GIFs painfully slow to load on a website. This tool compresses GIFs directly in your browser using gifsicle, the same battle-tested engine behind most command-line GIF tools, without stripping out the animation itself.
JPG, PNG, WebP, HEIC, SVG · processed entirely on your device
Compress GIF Online for Free
Animated GIFs are notorious for bloated file sizes — a few seconds of animation can easily balloon past several megabytes, which slows down chat apps, blows past attachment limits, and makes GIFs painfully slow to load on a website. This tool compresses GIFs directly in your browser using gifsicle, the same battle-tested engine behind most command-line GIF tools, without stripping out the animation itself.
Unlike a generic image compressor, this tool understands GIF's frame-based structure: it re-encodes each frame's pixel data more efficiently and optimizes how frames are stored, while keeping every frame, its order, and its timing exactly as they were. Use the compression strength slider to control how aggressively frames are simplified — lower values stay closer to the original, higher values shrink the file further at the cost of some color banding or dithering artifacts. If you need to hit a specific size ceiling, such as a chat app's attachment limit, set an optional target size in MB instead and the tool will step up compression automatically until it gets there.
Everything runs locally in your browser via WebAssembly, so your GIF is never uploaded to a server. Drop in one animated GIF or several at once — each is compressed independently and, for multiple files, bundled into a single zip for download.
Common questions
No — every frame, its order, and its original timing are preserved. Compression only re-encodes each frame's pixel data more efficiently and applies GIF-level optimizations; it doesn't drop frames or flatten the animation into a still image.
It controls gifsicle's lossy compression level. Lower values make smaller quality trade-offs and stay closer to the source; higher values shrink the file further but can introduce visible dithering or color banding, especially in GIFs with smooth gradients.
GIF stores each frame as a separate indexed-color image with limited compression, while video formats like MP4 use motion-aware compression across frames. For long or high-motion clips, converting to a short MP4 or WebP animation will usually beat even a well-compressed GIF.
Set a target size in the optional MB field and the tool will try increasingly aggressive compression levels until the output lands at or under that size, prioritizing it over the compression strength slider.
No. Compression runs entirely in your browser using WebAssembly, so your file never leaves your device and the tool works even on a slow connection once the page has loaded.