Compress GIF to Size
Compress animated GIFs to an exact target file size in KB or MB. Automatically balances scale, colors, and frames entirely in your browser without uploads.
GIF, APNG, WebP, AVIF · static images are accepted too
Tips
- Common target thresholds include 2 MB for chat platforms and forums or 500 KB for email signatures.
- If the target size is unrealistically small, the tool outputs the smallest achievable file and displays applied settings.
- The compression sequence automatically scales dimensions first, reduces palette colors second, and drops frames last.
How to use it
- 1 Select or drop your animated GIF into the tool.
- 2 Enter your desired target file size in kilobytes (KB) or megabytes (MB).
- 3 Start the compression process to calculate the optimal dimensions, palette, and frame rate.
- 4 Preview the compressed animation and save the optimized GIF to your device.
What you should know
Animated GIFs often balloon in file size because the format lacks modern inter-frame video compression and stores full pixel data across rapid frame sequences. Online services, forum avatars, email templates, and messaging applications enforce strict upload limits, commonly capping attachments between 500 KB and 8 MB. Because standard GIF encoding relies on an 8-bit palette capped at 256 colors per frame, simply tweaking visual quality is rarely enough. Hitting a precise byte budget requires coordinated adjustments to pixel dimensions, color quantization, and frame rates to prevent rejected uploads without destroying animation timing.
This tool recalculates your animated GIF locally to match your specified target file size in kilobytes or megabytes. The in-browser engine first scales down image resolution, then simplifies color tables through aggressive quantization, and finally decimates frame count if deeper reduction is necessary. Embedded metadata, color profiles, and extraneous header chunks are stripped during the re-encoding pass to maximize data efficiency. Because all processing executes in memory using native browser APIs, your animation never uploads to external servers, and playback loops remain synchronized with original timing.
Frequently asked questions
How does the tool reduce GIF size to meet the target?
The engine analyzes your target size and iteratively adjusts pixel dimensions, reduces color palette depth below 256 colors, and drops redundant frames if necessary.
What happens if my target file size is too small?
If the target is mathematically unreachable even after maximum downscaling and frame decimation, the tool provides the smallest viable file and shows the adjustments made.
Are my files uploaded to a remote server?
No, decoding, palette generation, and re-encoding occur completely within your browser using client-side memory, so your files never leave your device.
Guides
Articles and format references related to this tool.
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