How to Resize a GIF

Resize a GIF to fit a platform's recommended width or cut its file size. Halving the width reduces the file to roughly 25% of its original size.

Step-by-step guide

  1. 1

    Upload your GIF to GifMash Resize

    Go to gifmash.com/resize-gif and upload your GIF. The tool shows the current width and height.

  2. 2

    Enter the target width

    Type the desired width in pixels. The height scales proportionally automatically to keep the GIF's aspect ratio.

  3. 3

    Resize and download

    Click Resize GIF. The tool scales every frame with gifsicle's --resize-width flag. Download the resized GIF.

Resize GIF online

Free browser-based GIF resizer — maintains aspect ratio automatically.

Try it free

Tips

  • 480 px is a good default for Discord and messaging apps.
  • 600 px is the standard email template width.
  • 540 px is the canonical Tumblr GIF width.
  • Halving the width reduces file size to roughly 25% of the original.

FAQ

Does resizing a GIF reduce its file size?

Yes — significantly. Halving the width reduces file size to about 25% of the original since both dimensions shrink.

Can I upscale a GIF?

Yes, but upscaling adds no new detail — the result will look pixelated. Only downscale GIFs for best results.

Related Tools

Crop GIFRemove edges instead of scalingCompress GIFFurther reduce file size after resizingGIF InfoCheck current dimensions first