Edit your GIF animations with the GIF Resizer. Upload a GIF, apply your changes, and download the result. All processing runs entirely in your browser — your files are never uploaded to any server.
Drop a GIF here or click to upload
Supports animated and static GIF files
About
Whether your GIF is too large for a forum signature or too small for a presentation, this tool resizes it to whatever dimensions you need. Scale by percentage, enter exact pixel values, or lock the aspect ratio and adjust one side — the choice is yours. Every frame is resized together so the animation stays perfectly in sync.
Features
Resize by exact pixel dimensions or by a simple percentage
Aspect ratio lock prevents accidental stretching or squashing
Handles large GIFs with hundreds of frames without breaking a sweat
No quality loss beyond what is inherent to the new size
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Guide
Upload the GIF you want to resize
Enter new dimensions in pixels, or scale by a percentage like 50% or 200%
Toggle the aspect ratio lock if you want to keep proportions intact
Preview the resized animation and download it when it looks right
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Pro Tips
Shrinking a GIF also reduces its file size, which is great for hitting upload limits
Lock the aspect ratio to avoid accidentally distorting your animation
If you need specific dimensions for a platform, check their guidelines first — for example, Slack works best with GIFs under 500px wide
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FAQ
Upload your GIF and configure the settings. The tool processes everything in your browser using JavaScript, so your files stay private and the result is ready to download instantly.
Yes. All processing happens locally in your browser. Your GIF files are never sent to any server, ensuring complete privacy.
There is no hard limit. Processing speed depends on your device — most modern browsers handle GIFs up to 30–50 MB without issues.
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Related
Mirror a GIF animation horizontally, vertically, or in both directions.
Play any animated GIF backward by reversing the frame order.
Edit your GIF animations with the GIF Rotator.
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Upload your GIF above and get started. It takes seconds, costs nothing, and your file never leaves your browser.