PNG to WebP Converter
Convert PNG images to WebP, in your browser.
Drop a PNG here
Or choose a file. Your image is converted in your browser and never uploaded.
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Frequently asked questions
No. The conversion runs entirely in your browser using the canvas API. Your PNG is read from your device, converted to WebP, and offered as a download — it never leaves your computer and is not sent to any server.
WebP usually produces much smaller files than PNG at similar visual quality, which speeds up web pages and saves bandwidth. It supports transparency like PNG and is supported by all modern browsers.
WebP is encoded lossily here, so the slider trades file size against fidelity. Higher values keep more detail but produce larger files; lower values shrink the file but may add visible artifacts. 80% is a sensible default for most photos and graphics.
Yes. WebP supports an alpha channel, so transparent areas of your PNG stay transparent in the converted file.
Last updated 2026-06-23.