01
Convert the target to bytes
The KB value is converted to bytes (KB × 1,024), and every candidate result is compared with that limit.
GIF Compression
Compress GIF files while preserving animation
A browser-based GIF compressor for avatars, signatures, emails, and sites with strict GIF upload limits.
Free
No signup
Private
Use the compressor at no cost.
Open the tool and start compressing immediately.
Compression stays in your browser and files are not stored on our servers.
Common use cases
Compressing animated GIF avatars for forums
Reducing GIF email signatures and newsletter visuals
Meeting marketplace and social media GIF limits
Shrinking GIF exports for websites and CMS uploads
Start compressing
Set your target size, let the tool do the work, and download the result when it is ready.
What this tool does
This tool compresses GIF files toward a target KB or MB size directly in your browser. Choose the limit from your form, run compression, then review the result before your final upload.
Practical tips
- Use a realistic target for long or highly detailed GIFs.
- Strict limits may reduce colors, dimensions, or frame count.
- Preview the final animation before uploading it to a portal.
Verifiable method
How ExactSizer targets a file-size limit
The target is treated as a maximum limit, not a promise that every source file can finish at exactly the same byte count.
02
Compress animated GIFs deliberately
For animated GIFs, the engine tests multiple dimensions, palette sizes, and frame intervals. A strict target may therefore reduce colors or retain fewer frames, and the result reports those changes.
03
Process locally and report the result honestly
The file is processed in browser memory. The result reports whether the target was met and shows a warning if minimum settings are reached before the requested size.
Popular target sizes
Many people land on pages like this because they need a specific number, not just a smaller file. These are some of the most common targets in this niche.
Common search
GIF to 100KB
Use this page when you need to compress GIF to around 100KB for upload rules, forms, or sharing limits.
Common search
GIF to 200KB
Use this page when you need to compress GIF to around 200KB for upload rules, forms, or sharing limits.
Common search
GIF to 500KB
Use this page when you need to compress GIF to around 500KB for upload rules, forms, or sharing limits.
Common search
GIF to 1024KB
Use this page when you need to compress GIF to around 1024KB for upload rules, forms, or sharing limits.
Common search
GIF to 2048KB
Use this page when you need to compress GIF to around 2048KB for upload rules, forms, or sharing limits.
Frequently asked questions
These answers cover the questions people usually have before compressing a file.
Can I compress animated GIFs?
Yes. Animated GIFs are decoded and rebuilt as animated GIFs in the browser, with size reductions from palette, dimensions, and frame adjustments when needed.
Will every GIF hit the exact target?
Not always. Very detailed or long GIFs may need reduced dimensions, fewer colors, or fewer frames, and the tool will show warnings when it has to make those tradeoffs.
Are GIF files uploaded to a server?
No. GIF compression runs in your browser, so your files stay on your device.
Related resources
Useful next pages for common targets, format changes, and upload problems.
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Image to 200KB
For photos, forms, and images that need more clarity.
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Image to 500KB
For CMS images, product photos, and less aggressive limits.
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Image upload failed
Fix image size, format, and dimension upload errors.
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Compress JPG or HEIC to an Exact KB Size
Reduce JPG, JPEG, and iPhone HEIC files to the size you need for forms, portals, and everyday uploads.
Also useful
Compress PNG to an Exact KB Size
Shrink PNG images to the size you need while keeping screenshots, artwork, and graphics clear.