Back to Image Optimizer
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Convert PNG to WebP — Free, In Your Browser
Modern browsers support WebP everywhere. Switching your site's images from PNG to WebP usually cuts page weight by a third with no visible quality difference. Combined with our compress + resize controls, you can get a 1.2 MB PNG down to 120 KB without anyone noticing.
How to do it
- 1Drop the PNG file(s)
- 2Set output format to WebP
- 3Quality slider at 80-90% works for screenshots and UI
- 4Click Optimize and download the WebP
Why this works
- Smaller files = faster page loads + better SEO
- Preserves transparency just like PNG
- All processing in browser — no uploads, no privacy concerns
- Quality slider gives you fine control over the size-quality tradeoff