PNG to WebP Converter

Free online PNG to WebP converter. Shrink your PNGs significantly — in your browser, no upload.

About PNG to WebP Converter

WebP compresses far better than PNG for photos and complex graphics, and every modern browser supports it. This converter encodes your PNGs to WebP — the encoding happens on your device, not on a server.

How to use PNG to WebP Converter

Drop one or more PNG files into the upload area.
Adjust the quality slider to tune compression.
Download each WebP file.

Frequently asked questions

Is PNG to WebP Converter really free?

Yes — PNG to WebP Converter is completely free, with no account, no watermark, and no usage limits. It runs entirely in your browser.

Are my files uploaded to a server?

No. All processing happens locally on your device using WebAssembly. Your files never leave your computer — close the tab and nothing remains.

Which browsers are supported?

Any modern browser on desktop or mobile: Chrome, Firefox, Safari, and Edge.

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