Animated GIF Optimizer and Compressor

Shrink GIF file size online with lossy compression, resize, color, frame skipping, and transparency controls

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  • 150px
  • 1px
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  • 6
  • keep all
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  • 256 colors
  • 32 colors
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  • 120
  • off
Optimize Transparency:

Compress animated GIFs online without installing anything

Upload an animated GIF, tune the optimization controls, preview the result, and download a smaller file. This tool is built for common jobs like compressing GIFs for Discord, Slack, email, websites, and landing pages.

How GIF optimization works

This page reduces animated GIF size with several browser-side levers: lossy compression through gifsicle WASM, smaller dimensions, lighter frame sampling, reduced color counts, and optional transparency cleanup for mostly static animations. Those changes usually create the biggest file-size wins while keeping the motion recognizable.

1. Upload your GIF

Start with any animated GIF file. We will extract the frames so you can preview an optimized version before downloading.

2. Adjust optimization controls

Pick a gifsicle optimization level, add lossy compression, lower the width, keep every 2nd, 3rd, or 4th frame, reduce the maximum colors, or turn on transparency optimization for GIFs with large static areas.

3. Download your optimized GIF

Click Download Gif to export the compressed result when the preview looks good. The preview and final file both reflect the current gifsicle, color, frame, resize, and transparency settings.

When to use this instead of Resize GIF

Use Resize a GIF when dimensions are the only thing you want to change. Use this optimizer when your real goal is to make the GIF smaller for uploads, embeds, and faster page loads.

Good use cases

• Compress GIF for Discord or Slack
• Reduce GIF size for email newsletters
• Shrink screen recording GIFs with transparency optimization
• Optimize animated GIFs for blog posts and landing pages
• Make product demo GIFs load faster on websites

Related Tools

Explore Resize a GIF, Crop a GIF, Video to GIF for adjacent GIF editing workflows.
Tip: Start by reducing width first, then try dropping frames only if you still need a smaller result. After that, try moderate lossy compression, color reduction, or transparency cleanup for an extra size drop. That usually gives the best quality-to-size tradeoff.
Please give us feedback at 3dgifmaker@gmail.com
You can also join our discord server.
You can also share your creations our leave us comments and suggestions on our subreddit: 3D Gif Maker subreddit. We are always adding new features and want to hear from our users. Let us know of any bugs too.
If you enjoy the site, consider joining our Patreon We will also try to do our best to create animation options of your choosing :)