iResize

PNG to WebP Converter

Convert PNG images to WebP right in your browser — free, instant and private. Nothing is uploaded.

Tip: paste an image with Ctrl/⌘ + V · processed entirely on your device

How to convert PNG to WebP

  1. 1

    Drop or browse your PNG file (you can also paste from the clipboard).

  2. 2

    The output is already set to WebP — tweak quality or background if you like.

  3. 3

    Click Download to save your WebP file.

Frequently asked questions

Is the PNG to WebP converter free?

Yes — completely free, with no sign-up and no watermarks.

Are my PNG files uploaded to a server?

No. Conversion happens entirely in your browser, so your files never leave your device.

Will converting to WebP reduce quality?

WebP is a lossy format, but at the default quality the difference is hard to notice. Raise the quality slider if you want a sharper result.

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