Compress Image
About Contact

Resize GIF

Resize animated GIFs to exact dimensions without uploading them.

Drop GIFs to resize or click to browse

Processing happens on your device. Nothing is uploaded.

100% Private

Files are processed locally in your browser. They never touch our servers.

Smart Defaults

Sensible settings are applied automatically. Fine tune them only if you want to.

Batch Processing

Drop multiple images at once and download everything together as a ZIP.

How to use Resize GIF

  1. Drop your images onto the page, or click to pick them from your device
  2. Use the default settings, or adjust the options for your file type and target result
  3. Download the finished images one by one, or save the full batch as a ZIP

What Resize GIF is for

Use the Resize GIF tool when an animated GIF has the wrong dimensions or needs to be smaller. Resizing is the single most effective way to reduce GIF file size.

  • Prepare images for websites, email, upload forms and social media.
  • Process one image or a batch of images directly in your browser.
  • Download finished files without creating an account or adding a watermark.
  • Keep your image workflow private by avoiding unnecessary uploads.
Privacy note: This tool runs locally in your browser. Your selected image files are not uploaded to CompressImage.ca. Read more on our promise page.

Best practices for better results

Image optimization works best when you choose the right balance between file size, visual quality, dimensions, format compatibility and privacy. These tips help you get a cleaner result.

  • Start from the original image whenever possible.
  • Review the output before publishing or deleting your original file.
  • Use related tools like resize, convert or metadata removal when you need a more specific result.
  • Choose the right format for the job: JPEG for photos, PNG for sharp graphics and WebP for modern websites.

Resize animated GIFs without losing the animation

The Resize GIF tool changes the width and height of an animated GIF locally in your browser, frame by frame, then re-encodes the result. Keep the ratio option on and the height is calculated for you, so the animation never stretches.

When resizing is the right move

  • Make a GIF fit a chat app, forum signature or upload limit
  • Prepare smaller GIFs for websites, emails and documentation
  • Reduce file size: a half-width GIF stores a quarter of the pixels, which makes resizing the most effective GIF size reducer there is

If your real goal is a smaller file rather than specific dimensions, Compress GIF combines resizing with frame skipping in one pass. And if you only need to trim away edges, Crop GIF keeps the remaining pixels at full quality.

Tip: Check the original dimensions in the GIF Viewer first, then pick a width that divides cleanly, like half or a third of the original.

Related image tools

These tools solve similar image optimization problems and work the same way: locally in your browser, with no required upload.

  • GIF Viewer: Preview GIFs and inspect animation details
  • Compress GIF: Reduce animated GIF file size with resizing and frame skipping
  • Crop GIF: Crop animated GIFs to a selected rectangle
  • Remove GIF Background: Make a selected GIF background colour transparent

Resize GIF FAQ

Does resizing a GIF reduce its file size?

Yes, usually by a lot. A GIF resized to half its width stores far fewer pixels per frame, which makes resizing the most effective GIF size reducer.

How do I resize a GIF without stretching it?

Keep the ratio option set to yes. Enter the width you want and the height is calculated automatically.

Is my GIF uploaded when I resize it?

No. Frames are decoded, scaled and re-encoded locally in your browser.