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PNG to WebP Converter

Shrink PNG images into lightweight WebP files with a quality slider — right in your browser, with zero uploads.

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Drop, convert, download

Processing happens on your device using Web Workers — your images never leave the browser.

Quality 82%
Resize (px, optional)
×

Your converted images will appear here.

How to use this tool

  1. 1

    Add your PNG files

    Drag and drop one or more PNGs into the upload zone, or click to browse.

  2. 2

    Set WebP quality

    Use the quality slider to balance file size and sharpness. Transparency is preserved automatically.

  3. 3

    Download your WebP files

    Click Compress All, then download individually or as a ZIP.

Format comparison

FeaturePNGWebP
Lossless modeYes (always)Optional
Alpha transparencyYesYes
Typical file sizeLarger25–35% smaller
Browser supportUniversalModern browsers
Best forArchival & editingWebsites & SEO

Frequently asked questions

Is WebP smaller than PNG?
Usually yes. WebP's lossy compression typically produces files 25–35% smaller than PNG at similar visual quality.
Does converting PNG to WebP keep transparency?
Yes. WebP supports full alpha transparency, so transparent backgrounds and logos are preserved.
Is this PNG to WebP converter free?
Yes, completely free with no limits. Because conversion happens in your browser, there are no server costs to pass on.

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