Make a GIF play faster or slower, from 0.25x to 4x. Only the frame timing changes, so there is no quality loss. Free, in your browser, nothing uploaded.
Free, no sign-up, runs in your browser
Your GIFs are processed on your own device and never uploaded.
Drop GIFs, or click to browse
Animated or still GIF, up to 10 MB each. Add as many as you like.
100% private. Your GIFs are processed in your browser and never uploaded.
GIF processing uses gifsicle by Eddie Kohler, licensed under the GNU GPL v2, compiled to WebAssembly by gifsicle-wasm-browser. The source code for both is available at those links.
Quick answer
BatchSet changes the playback speed of a GIF from 0.25x to 4x, free and entirely in the browser. It rewrites only the delay stored for each frame, scaled by the same factor so frames keep their relative timing, which means no re-encoding and no quality loss. No frame is set below 0.02 seconds, because browsers play shorter delays at 0.1 seconds.
Three quick steps — free, private, right in your browser.
Drop one or many .gif files. Each card shows how long one loop takes now.
Above 1x plays faster, below 1x slower. 2x halves the loop, 0.5x doubles it.
The new timing is written in your browser. Save the GIFs one by one or as a ZIP.
No. A GIF stores a delay for each frame, and only those delays are rewritten. The pixels are not touched or re-encoded, so the file size stays exactly the same.
Yes. No account and no watermark, and it runs on your own device.
Yes. Each frame's delay is scaled by the same amount, so a pause that was twice as long as the other frames is still twice as long.
Browsers play any frame delay under 0.02 seconds at 0.1 seconds, which would make the GIF slower, not faster. So no frame is set below 0.02 seconds, and a GIF that is already that fast can't speed up further.
No. The GIFs are processed in your browser and never sent to a server.
Yes. Add them all, pick one speed and download a ZIP.
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