PNG to WebP Converter
Convert PNG images to WebP and cut file sizes dramatically — often 30–70% smaller — while keeping sharp detail. The go-to format for fast-loading websites.
Private by design: This tool runs entirely in your browser using its built-in image engine. Your files are not uploaded to a server, and nothing you convert is stored or logged.
How to convert PNG to WEBP
Drop your PNG files onto the upload area, or click it to browse.
Set the quality slider — 90% keeps images visually identical while still shrinking them substantially.
Click Convert, then download each WebP or everything as a ZIP.
Good to know
WebP supports transparency, so transparent PNGs stay transparent.
WebP is supported by every modern browser — Chrome, Safari, Firefox, and Edge have all supported it since 2020.
This tool uses your browser's own WebP encoder. In a few browsers without one, you'll see a clear message rather than a wrongly labelled file.
Frequently asked questions
How much smaller will my images get?
It depends on the image, but WebP typically comes out 30–70% smaller than an equivalent PNG at the same visual quality — which is why it's the standard recommendation for web performance.
Does WebP keep transparency?
Yes. Unlike JPG, WebP fully supports alpha transparency, so logos and graphics with transparent backgrounds convert cleanly.
When should I stick with PNG?
Keep PNG when you need guaranteed lossless output for further editing, or when you're delivering assets to software that doesn't accept WebP.
Is anything uploaded to a server?
No. Encoding happens in your browser with its built-in WebP encoder — files never leave your device.