Speed up fast animations or create slow-motion GIFs by adjusting frame delay intervals directly in your browser.
or tap anywhere to browse from your device
Fast, easy & 100% private in-browser processing in 3 simple steps.
Select any animated GIF you want to accelerate or decelerate.
Pick 0.5x for slow-mo, 1.5x for lively motion, or 2x/3x for fast-forward comic effect.
Download the newly timed animated GIF with updated frame delay metadata.
Engineered for speed, privacy, and maximum image fidelity.
Unlike traditional online converters, we do not store or process your images on our servers. All decoding happens right in your local browser sandbox.
Skip waiting for slow uploads and downloads. Local processing converts your high-resolution photos in fractions of a second.
Convert multiple files simultaneously. Export everything cleanly packed in a single ZIP file with one click.
Install this tool as a standalone application on your Desktop, Android, or iOS device. Access it anytime, even without an internet connection.
Directly modifies the Graphic Control Extension (GCE) delay time bytes in the GIF stream.
Works seamlessly across Windows, macOS, Linux, ChromeOS, iOS Safari, and Android Chrome without installing any drivers or plugins.
Whether you need to speed up a long tutorial animation to fit under message limits or slow down a sports replay into dramatic slow motion, the GIF Speed Changer recalculates frame intervals instantly in your browser.
Got questions about converting File to Output? Find answers below.
Fast, 100% private in-browser tools for converting, compressing, resizing, cropping, and optimizing images.
Complete suite of private image processors, PDF utilities, and YouTube creator tools.
Save GIF Speed Changer to your browser favorites for quick one-click access anytime.