BYTETOOLS

GIF Compressor

Compress animated GIFs online, free. Reduce frame rate, colors and dimensions — the three levers that actually shrink a GIF — with before/after sizes shown.

Drop an animated GIF here or click to browseYour GIF is processed locally and never uploaded. Compare the size shown above with the output size.
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What is the GIF Compressor?

The ByteTools GIF Compressor shrinks an animated GIF's file size using the three levers that actually work: reducing the frame rate, cutting the color palette below 256, and optionally scaling the frames down.

  • Frame rate, color count and scale — the levers that matter
  • Before and after file sizes reported
  • Optimized palette generation at every color count
  • Animation and looping preserved
  • 100% local — your GIF is never uploaded

How to use the GIF Compressor

  1. 1

    Drop an animated GIF onto the box or click to browse for one.

  2. 2

    Set the frame rate, number of colors and scale — lower values mean a smaller file.

  3. 3

    Click Compress GIF.

  4. 4

    Compare the before/after sizes, preview the result and download it.

About the GIF Compressor

The ByteTools GIF Compressor shrinks an animated GIF's file size using the three levers that actually work: reducing the frame rate, cutting the color palette below 256, and optionally scaling the frames down. Each is under your control, and the tool reports the input and output sizes so you can see exactly what you saved.

It is for GIFs that blow past upload limits — chat apps, forums, email signatures and content systems commonly cap files at a few megabytes. Modest settings (12 fps, 128 colors, 75% scale) often halve a GIF's size with little visible change.

Everything runs 100% locally in your browser — the GIF is never uploaded. The animation, timing and infinite loop are preserved; only the size levers you set are applied.

Frequently asked questions

How do I make a GIF file smaller?

Reduce one or more of: frame rate, color count and dimensions. Drop your GIF here, lower those settings and click Compress GIF — the tool re-encodes the animation and shows you exactly how much smaller it got.

Which setting shrinks a GIF the most?

Scaling the dimensions down has the biggest effect because size grows with pixel area. Cutting the frame rate (say 24 to 12 fps) roughly halves the frame data, and dropping from 256 to 64 colors saves further — combine all three for maximum effect.

Will compressing make my GIF look bad?

Moderate settings are usually hard to notice: 12 fps still looks fluid, and 128 colors is plenty for most footage. Aggressive settings (8 fps, 32 colors, 50% scale) do show — the before/after preview lets you find the acceptable point.

Does the compressed GIF still loop?

Yes. The tool preserves infinite looping and the relative timing of the animation. Only the frame rate, palette and dimensions you choose are changed.

Is my GIF uploaded to a server?

No. Compression runs entirely in your browser with WebAssembly. Your file never leaves your device — no uploads, watermarks or limits.

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