Optimizer

Fit it under the limit

Animated GIFs go through gifsicle: it rewrites each frame as only the part that changed and lets the compressor trade near-identical colours for longer repeats. The animation is kept whole — no frames are thrown away. Drag the divider to judge what you gave up.

Source file

Drop a file or choose one

Steam accepts JPG, PNG, GIF

Palette

Fewer colours means a smaller file and visible banding. 128 is usually the point where the tradeoff stops being obvious.

Dithering

Lossy level

Higher means smaller and softer30%Downsizing beats compressing, when you can afford it100%

Result

Upload a file to see the comparison.