Convert any PNG file to WebP — free, private, entirely in your browser.
Click "Start Converting — Free" to launch the converter in your browser.
Drag and drop your PNG file or click to browse. Choose WebP as the output format.
Conversion runs locally via WebAssembly. Download your WebP file instantly.
Files never leave your device. PNG→WebP conversion is 100% client-side.
No registration, no watermarks, no usage limits — ever.
Uses open-source ImageMagick compiled to WebAssembly for native-speed conversion.
Works in Chrome, Firefox, Edge, and Safari on desktop and mobile.
Convert multiple files using the built-in queue without reloading the page.
Yes. AnyConvert uses open-source ImageMagick via WebAssembly — no cost, no sign-up, no limits.
No. All conversion happens in your browser using WebAssembly. Your files never leave your device.
There is no server-side limit. The practical limit depends on your device's available memory — most files under 500 MB work fine.
Yes. WebP supports both lossless compression and transparency (alpha channel), making it a direct upgrade over PNG for web use.
Open AnyConvert in your mobile browser, select your PNG file, choose WebP as output, and download. No app needed.