Convert PNG to WebP Free

Convert PNG images to WebP in your browser and cut file size by up to 80 percent while keeping transparency. No upload, no signup, no watermark.

Runs in your browser — nothing is uploaded. Verify it

About the Convert PNG to WebP Free

Turn your PNG files into WebP images instantly. WebP is roughly 25 to 35 percent smaller than PNG at the same visual quality, and it keeps the transparency PNG is used for.

PNG is lossless, which makes it ideal for editing but heavy for the web. WebP gives you the same transparency at a fraction of the file size, so pages load faster without you having to give up alpha.

How to use the Convert PNG to WebP Free

Select one or more PNG images.
WebP is already chosen as the output format.
Click Convert, then download your WebP files individually or as a ZIP.

Frequently asked questions

Does WebP keep transparency?

Yes. WebP supports an alpha channel, so transparent areas in your PNG stay transparent in the WebP. That is the main reason to choose WebP over JPG for graphics and logos.

How much smaller is WebP than PNG?

Usually 25 to 35 percent smaller at comparable visual quality, and often much more on photographic images. Flat graphics and screenshots tend to compress less dramatically than photos.

Will the image quality drop?

There is a small quality trade-off because WebP at this setting is lossy. If you need a pixel-perfect result, choose a higher quality or keep the PNG.

Are my files uploaded anywhere?

No. The conversion happens entirely in your browser using the canvas API. You can disconnect from the internet after the page loads and it will still work.

Guides

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How to Remove EXIF Data from a Photo (No Quality Loss)
Every phone photo carries hidden text: where it was taken, when, and on what device. Here is how to see it, how to remove it without damaging the picture, and which apps quietly pass it on.
How to Convert HEIC to JPG (Why iPhone Photos Won't Open)
Your iPhone saves photos as HEIC, and almost nothing outside Apple can open them. Here is how to convert them to JPG, and how to stop the problem at the source.