Is Optimize GIF free? Is there a watermark?

Yes — Optimize GIF is completely free, with no sign-up, no watermark, and no limit on how many files you process.

Do my files get uploaded to a server?

No. Optimize GIF runs entirely in your browser with WebAssembly, so your GIF file never leaves your device and nothing is stored or seen by us.

What can I put in, and what do I get out?

Optimize GIF accepts GIF and gives you back a GIF file. You can also set frame rate and width before you run it.

Can I control the output?

Yes — you can adjust frame rate and width, so you decide the balance between file size and quality.

Free tools · Compress & resize

Optimize GIF

Reduce a GIF's file size by lowering its frame rate and width, using a two-pass palette so colours stay clean. Perfect for GIFs too big to attach or embed. Browser-only, no upload.

Runs entirely in your browser. Your file is never uploaded — no watermark, no account.

Drop a file or click to chooseGIF

How to use Optimize GIF

1
Choose your file. Drop a file into the tool, or click to select one. It stays on your device — nothing is uploaded.
2
Pick your settings. Adjust the options if you like, then press Run. The first run downloads a ~32 MB engine once; after that it's instant.
3
Download. Everything is processed right in your browser — download the finished file instantly, with no watermark.

Frequently asked questions

Is Optimize GIF free? Is there a watermark?: Yes — Optimize GIF is completely free, with no sign-up, no watermark, and no limit on how many files you process.
Do my files get uploaded to a server?: No. Optimize GIF runs entirely in your browser with WebAssembly, so your GIF file never leaves your device and nothing is stored or seen by us.
What can I put in, and what do I get out?: Optimize GIF accepts GIF and gives you back a GIF file. You can also set frame rate and width before you run it.
Can I control the output?: Yes — you can adjust frame rate and width, so you decide the balance between file size and quality.