Make PNG images smaller and keep them as PNG
Reduce PNG screenshots, logos and illustrations by converting them to an optimized 256-color palette, the same technique used by pngquant. Transparency is kept and the file stays PNG.
Compress PNG
Reduce PNG screenshots, logos and illustrations by converting them to an optimized 256-color palette, the same technique used by pngquant. Transparency is kept and the file stays PNG.
Drop your images here, or browse
Supports JPEG, PNG and WebP • Max 10 MB per file • 100% In-Browser
Convert PNG and JPG images to modern WebP. In our tests, PNG photos came out up to 90% smaller.
Images never leave your computer. Processing is executed in your browser memory using Web Workers.
Drop several images at once and they are processed one after another, with no sign-up.
100% Free & Client-Side (0% Server Upload)
Compress PNG Features
- Palette quantization that keeps alpha transparency
- Output stays PNG, so it drops in wherever the original was used
- Set quality to 100 for a lossless re-encode instead
- Runs in your browser: nothing is uploaded
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