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Convert PNG to WebP

Free, instant and private — your PNG files are converted right in your browser and never uploaded to a server.

How to convert PNG to WebP

  1. Step 01

    Add your PNG files

    Drop them into the box above or click to browse. You can add several files at once.

  2. Step 02

    Conversion starts instantly

    It runs in your browser using its built-in image engine — no upload, no queue, no waiting.

  3. Step 03

    Download your WebP files

    Save each file individually or grab them all at once. Done.

Why convert PNG to WebP?

PNG is wonderful for quality but brutal for file size, and on the web every kilobyte counts. Converting PNG to WebP keeps transparency intact at a fraction of the size — often 60–80% smaller — which makes it the standard swap for logos, UI graphics and screenshots destined for a website.

PNG vs WebP at a glance

PNG is the lossless workhorse — pixel-perfect quality and full transparency support, accepted everywhere. WebP is Google's web format — roughly 30% smaller than JPG at the same quality, served by most large websites.

PropertyPNGWebP
Extension.png.webp
Full namePortable Network GraphicsWebP (Web Picture format)
First released19962010
Developed byPNG Development Group (W3C standard)Google
CompressionLosslessLossy
TransparencyYesYes
AnimationNoYes
Best forscreenshots, logos, graphics with sharp edges or transparencyweb images — smaller files at the same visual quality

PNG to WebP — frequently asked questions

Is this PNG to WebP converter really free?

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

Are my PNG files uploaded to a server?

No. The conversion happens entirely on your device using your browser's built-in image engine. Your PNG files never leave your computer or phone — which is also why the conversion is nearly instant.

Will I lose quality converting to WebP?

WebP uses lossy compression, so the image is re-encoded at high quality (92%). For photos the difference is practically invisible; for text-heavy graphics or logos, a lossless format like PNG preserves sharp edges better.

Will transparency be preserved?

Yes — WebP fully supports alpha transparency, usually at a fraction of the PNG's file size.

Is the conversion lossless or lossy?

This tool encodes WebP in high-quality lossy mode (92%), which is visually indistinguishable for most images and far smaller. Pixel-perfect lossless WebP is on the roadmap.

Related conversions

Need the reverse? Convert WebP to PNGExplore the WebP converter