How to Convert PNG to WebP
Published September 6, 2026 · 2 min read
WebP routinely produces files 25-35% smaller than an equivalent PNG, while still supporting full transparency — which makes it the better choice for web use whenever browser support isn't a concern. Converting is instant since your browser can already decode and re-encode both formats natively.
Try PNG to WebPSteps
- 1
Open the PNG to WebP tool
Go to the PNG to WebP converter.
- 2
Add your PNG file
Drag one or more .png files onto the drop zone.
- 3
Convert
Each image is decoded and re-encoded as WebP right in your browser.
- 4
Download the WebP files
Save the smaller output, ready for faster-loading web pages.
Frequently asked questions
Yes — WebP fully supports an alpha channel, so transparent and semi-transparent PNG pixels carry over exactly.
It varies by image, but WebP typically produces noticeably smaller files than PNG for the same visual quality, especially for images with photographic content.
Yes — all modern browsers support WebP natively; it's only relevant for very old browser versions, which are increasingly rare.
Because the conversion is instant and local, you can convert a whole folder of PNGs to WebP for a faster website without uploading a single file.