Change the pixel width and height of animated GIFs while keeping all frames, timing delays, and animations completely intact.
or tap anywhere to browse from your device
Fast, easy & 100% private in-browser processing in 3 simple steps.
Select an animated GIF file from your computer or smartphone.
Enter new width and height in pixels or select scaling percentage (50%, 75%).
Download the newly proportioned animated GIF ready for your blog, banner, or avatar.
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.
Resamples each individual animation frame using high-quality bilinear interpolation.
Works seamlessly across Windows, macOS, Linux, ChromeOS, iOS Safari, and Android Chrome without installing any drivers or plugins.
Many standard image editors accidentally flatten animated GIFs into static pictures when resizing. The GIF Resizer decodes all animation frames, resizes each one proportionally, and recompiles the moving image with perfect timing.
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 Resizer to your browser favorites for quick one-click access anytime.