gifresize

Compress GIFs right in your browser

GIF Compressor

Compress a GIF in your browser. Cut the file weight, keep the motion, skip the upload.

Your files never leave your device. This GIF compressor runs locally.

Drop a GIF here, or click to choose a file You can also paste from the clipboard. .gif only, up to 50 MB.

How to compress a GIF online in 3 steps

  1. Drop your GIF

    Add a .gif from your computer, phone, or clipboard. The GIF compressor reads it in this tab. It is never sent to a server.

  2. Pick a level

    Medium is the usual way to make GIF smaller. Move toward High when you need to reduce GIF file size as far as it will go. The preview updates after each pass.

  3. Download the lighter file

    Compare playback side by side, check the savings percent, then save original-compressed.gif to your device.

What this GIF compressor changes (and what it does not)

A GIF compressor shrinks an animation by rebuilding the color table, not by cropping the canvas. GIF stores each frame as indexes into a palette. Cut that palette from 256 colors to 128 or 64 and the LZW stream has less unique data to store, which is why file weight drops even when width and height stay put.

That is the job of this GIF compressor online tool. It keeps the original pixel size. Low uses 256 colors. Medium uses 128. High uses 64 plus a coarser quantizer, so smooth gradients may band. If you also need a smaller canvas, resize the GIF in your browser after you compress.

Slack, Discord, and a lot of CMS upload caps fail on palette-heavy clips, not on pixel size. You can compress GIF online here, watch the new byte count, and download. If the result still feels heavy, slide toward High. If skin tones look posterized, ease back to Medium. Your files never leave your device on either pass.

Compression can also grow a file that was already squeezed by a dedicated optimizer. You will see a plus percent in that case. Keep the original, or try a different level. This gif compressor is free, with no watermark and no account.

GIF compressor FAQ

How do I compress a GIF online?

Drop a GIF onto the box, pick Low, Medium, or High, and wait for the preview. Download the new file when the savings look right. This page lets you compress GIF online without an account.

Is this GIF compressor free?

Yes. This GIF compressor is free to use in your browser. There is no signup, and the download is not watermarked.

Will my GIF be uploaded to a server?

No. Your files never leave your device. The GIF compressor decodes and re-encodes locally with JavaScript. Nothing is sent to gifresize.com.

How do I reduce GIF file size without changing the width?

Use this tool. It keeps the original pixel size and rebuilds the color table. That is the usual way to reduce GIF file size when the canvas is already the size you want.

How do I make a GIF smaller without wrecking it?

Start on Medium. Check the side-by-side preview. If faces look posterized, move back to Low. If you still need to make GIF smaller, try High, or resize the GIF without uploading after you compress.

What do Low, Medium, and High do?

Low keeps 256 colors. Medium uses 128. High uses 64 and a coarser quantizer. Fewer colors usually mean a lighter file. High is the strongest pass on this GIF compressor.

Can I use this GIF compressor on my phone?

Yes. Open this GIF compressor online on a phone, pick a .gif from your files app, and save the result. Large animations take longer on a small device.

Does compression keep the animation speed?

Yes. Each frame keeps its original delay, so playback speed should match. Loop settings are preserved when the source file includes them.