Free Animated GIF Resizer
Resize animated GIF dimensions with high-quality resampling and frame delay preservation.
- 100% free
- Files stay on your device
- No sign-up, no watermark
Select animated GIF to resize
Supports animated GIF files
What is Animated GIF Resizer?
The Animated GIF Resizer allows users to scale down physical pixel dimensions and reduce the storage footprint of animated GIFs without breaking their multi-frame playback or timing. While standard image resizers only process the first static frame of a GIF, this specialized tool unpacks every individual animation frame, rescales the 2D bitmap using bicubic or bilinear canvas interpolation, and re-encodes the entire sequence while preserving original frame delay timestamps. It is indispensable for shrinking oversized GIFs to meet strict file size thresholds on Discord (under 8MB/25MB), resizing email newsletter header animations, or fitting animated graphics into blog sidebars. A key technical limitation to remember is that enlarging small GIFs will inevitably look soft or pixelated because the tool relies on mathematical pixel interpolation rather than AI neural generation.
How to use Animated GIF Resizer
- 1
Import Animated GIF File
Upload your animated GIF to load its full frame sequence, playback speed, and native pixel dimensions.
- 2
Set Target Dimensions & Maintain Aspect Ratio
Input your desired width or height in pixels, toggle the aspect ratio lock, or select a percentage reduction preset (50%, 75%).
- 3
Re-encode and Download Resized GIF
Click Resize GIF to process every frame through the multi-frame scaling pipeline and download your optimized animated asset.
Frequently asked questions
Does resizing an animated GIF mess up the animation speed or timing?
No. The resizer extracts and re-applies the exact millisecond delay timestamp embedded in each original frame, ensuring smooth and unchanged playback tempo.
How much file size reduction can I achieve by downscaling GIF dimensions?
Reducing GIF dimensions by 50% reduces the total pixel area by 75%, typically yielding a dramatic 60% to 80% decrease in overall file size.
Does this resizer support GIFs with transparent backgrounds?
Yes. Transparent alpha pixels and color indexing are preserved across all frames, ensuring your resized GIF retains its transparent background.
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