---
title: "GIF optimizer and compressor"
description: "Shrink an animated GIF with gifsicle: lossy compression, colour reduction, frame differencing and optional frame dropping, compared against the original."
url: "https://gif.statico.io/optimize/"
category: "optimize"
last_updated: "2026-09-07T23:48:01.264Z"
doc_version: "1"
---

# GIF optimizer and compressor

Shrink an animated GIF with gifsicle: lossy compression, colour reduction, frame differencing and optional frame dropping, compared against the original.

## How it works

This tool runs entirely in your browser using gifsicle compiled to
WebAssembly (or the Canvas API, where listed). Your file is never uploaded — it is
read into memory, processed locally, and offered back to you as a download.

## Using it

1. Open https://gif.statico.io/optimize/
2. Choose a file, by drag and drop or the file picker.
3. Adjust the settings. gifsicle lossy compression and colour reduction.
4. Set the filename and download. Names are slugified so the result can be
   uploaded straight to Slack as a custom emoji.

Results are also saved to a per-browser history at https://gif.statico.io/history/.

## Related

- [Compress Image](https://gif.statico.io/compress.md): Quality control and metadata stripping for stills.

## Sitemap

- [Every page, grouped by section](https://gif.statico.io/sitemap.md)
- [XML sitemap](https://gif.statico.io/sitemap.xml)
- [Site overview for agents](https://gif.statico.io/llms.txt)