GIF Compressor
Free online GIF compressor — compress GIF files and reduce GIF file size with adjustable output settings, right in your browser.
Files are processed locally in your browser and never uploaded. The converter (~30 MB) loads once on first use.
Result
Input
GIF
Output
GIF
Processing
Loads a converter only when needed
How to use GIF Compressor
- 1Choose a GIF file.
- 2Adjust size, frame rate, or colors.
- 3Compare the output size and download it.
Why GIFs get so large
A GIF stores animation the brute-force way: every frame is held as its own full image, with almost no compression between frames. A short clip can run dozens of frames, so a two-second reaction GIF easily balloons to 10, 20, or 30 MB. Video formats are smart about only storing what changes between frames; GIF is not, which is exactly why it needs compressing.
That size becomes a problem the moment you try to use the GIF somewhere with a limit.
The size limits you are probably fighting
Most people reach a GIF compressor because something refused their file:
- Discord caps uploads at 10 MB on free accounts (more with Nitro).
- Slack and many email clients start choking well before 25 MB.
- Forums, wikis, and CMS uploads often set their own ceiling at a few megabytes.
- Profile pictures and avatars frequently demand a small, square, animated GIF.
Getting under the limit without the GIF turning into mush is the whole game.
The three levers, and what each one costs
Compressing a GIF means trading away something visual. This tool gives you three controls, and it helps to know what each one actually does:
- Resize (width). The single biggest win. Halving the width roughly quarters the pixel count. A GIF rarely needs to be 800 px wide for a chat window — 480 px or less is often plenty.
- Frame rate. Dropping from 30 fps to 15 fps cuts the number of stored frames in half. Most reaction GIFs still read perfectly fine at 12–15 fps.
- Colors. GIF uses a palette of up to 256 colors. Reducing the palette shrinks the file and, for flat or cartoon-style clips, is nearly invisible. Photographic GIFs suffer more.
Start with resize, then trim the frame rate, and only cut colors if you still need to get smaller. The tool shows the original and compressed size side by side so you can stop as soon as you are under the limit.
When a GIF is the wrong format entirely
Worth saying plainly: if your goal is a short video clip and the platform supports MP4, an MP4 will be dramatically smaller than any GIF — often by 5 to 10 times — at far better quality. GIF only wins when you specifically need an auto-playing, looping image that works as an image: in chat, in emails, or as an avatar. If you have a choice and the platform takes video, convert to MP4 instead.
Compressing in your browser
This GIF compressor re-encodes your file locally with ffmpeg.wasm. Nothing is uploaded — your GIFs never leave your device, and there is no server queue to wait on. Adjust the settings, compare the resulting size, and download when it fits.
FAQ
How does the GIF compressor reduce file size?
It re-encodes the GIF with ffmpeg.wasm using your chosen resize, frame rate, and color settings. Fewer colors, lower frame rate, and smaller width all shrink the file.
Are my GIFs uploaded?
No. Compression runs entirely in your browser, so your files never leave your device.
Will every GIF get smaller?
Usually, but not always. The tool shows the original and compressed size so you can pick stronger settings if needed.
Why is my GIF still too large after compressing?
Long or high-resolution GIFs hold a lot of frames. Try reducing the width first, then lowering the frame rate, then cutting colors. If it still will not fit and the platform accepts video, an MP4 will be far smaller.
What size do I need for Discord or email?
Discord allows 10 MB on free accounts, and many email and chat services start rejecting files before 25 MB. The tool shows the compressed size as you adjust settings, so you can stop as soon as you are under the limit.