# PNG to WebP

Convert PNG and JPG images to WebP, typically 25 to 35 percent smaller at the same quality, with transparency kept. Nothing is uploaded.

Canonical page: https://filetity.com/png-to-webp

## Capabilities

- Free: Yes, with no watermark and no page limit.
- Account required: No. There is no account system.
- Processed on device: Yes. The file is read by your browser and never uploaded. There is no server to send it to.
- Formats: PNG and JPG in. WebP out, one file per image, or a ZIP when you convert several.
- Limits: No image count limit. Very large images are bounded by the memory your browser will give a canvas. Animated GIFs are not accepted, and this does not produce animated WebP.
- Mobile: Yes, on any modern mobile browser. Large files are limited by the memory the phone gives the browser.
- Offline: Yes, after you have used it once. Your browser keeps what the tool needs, so it then works with no network connection.

## Questions

### How much smaller is WebP?

It depends on what the image is, and the range is wide. Measured in Chrome on 2026-08-26 at quality 85, a 3080 by 2052 photo went from 1,014,388 bytes as JPG to 782,002 as WebP, 23% smaller. A 1200 by 800 PNG graphic went from 134,635 bytes to 9,872, 93% smaller, because PNG was never compressing it well. A JPG that is already heavily compressed can shrink very little, or grow.

### Does transparency survive?

Yes. WebP has a real alpha channel, so transparent areas of a PNG stay transparent. That is why WebP replaces PNG on the web as well as JPG.

### What still cannot open WebP?

Every current browser reads WebP, and so do Windows, macOS, iOS and Android. Older desktop software still trips over it: some versions of Photoshop without a plugin, older Office, plenty of print shops, and the image libraries inside long-lived internal tools. If a file is going anywhere other than a web page, check first.

### Should I archive my photos as WebP?

No. WebP is built for delivery. It is lossy by default, support outside browsers is thin, and print workflows expect JPG or TIFF. Keep the original and publish the WebP.

### Why is the WebP bigger than my JPG?

Because the JPG was already squeezed hard, and a second lossy pass over it has little left to save. The result line shows the change and tells you to keep the original when the WebP grew. Converting from the PNG or the camera original avoids the double pass.

## Related tools

- [WebP to JPG](https://filetity.com/webp-to-jpg): Convert WebP to JPG free, so the image opens on any app or device.
- [AVIF to PNG](https://filetity.com/avif-to-png): Turn AVIF images into PNG files that anything can open.
- [Image Compressor](https://filetity.com/image-compressor): Compress an image to a size you name, or to a quality you pick, and see the real result before downloading.