PNG to WebP converter
Convert PNG images to WebP right in your browser — free, private and fully offline. Drag in one PNG file or a whole batch and download WebPs individually or as a ZIP. Nothing is uploaded; every conversion runs entirely on your own device.
Open PNG to WebP converter →Private · runs in your browserOffline · after first loadFree · no signup
Convert PNG to WebP online — free and private
This PNG-to-WebP converter runs entirely in your browser. Your images never leave your computer — there is no upload, no account, no watermark and no file-size paywall — and it keeps working offline after the first load.
How to use PNG to WebP converter
- Add your images — Drag one or more PNG files onto the drop zone, or click to browse and pick them.
- Convert to WebP — Each PNG image is decoded and re-encoded to WebP locally on your device — nothing is sent to a server.
- Download — Save the converted WebP files one at a time, or grab the whole batch as a single ZIP.
Frequently asked questions
Are my PNG files uploaded to a server?
No. The conversion runs 100% in your browser using your own device, so your images never leave your computer.
Can I convert several PNG files at once?
Yes — drop a whole batch, convert them together, and download them individually or as one ZIP archive.
Does the converter work offline?
Yes. Once the page has loaded it keeps working with no internet connection.