Free PNG to WebP

Convert PNG to WebP Online, Free

Turn PNG images into WebP in seconds, right in your browser. Nothing is uploaded.

Open PNG to WebP

Free · No watermark · Your file never leaves your device

How do I convert PNG to WebP?

To convert PNG to WebP, open the SuperPrompts image converter, add your PNG files, choose WebP as the output and download the result. PNG is a lossless format that keeps sharp edges and supports transparent backgrounds. WebP is a modern web format that is usually smaller than JPG or PNG at the same quality. Converting to WebP is a quick way to make images load faster on websites while keeping them sharp. The converter runs entirely in your browser using the canvas API, so your images never leave your device and there is no upload wait. You can convert several images at once, adjust the quality, or set a target file size in KB, and crop before saving.

How to use PNG to WebP

  1. 1Open the converter and add one or more PNG images.
  2. 2Choose WebP as the output format.
  3. 3Adjust quality or set a target size if you need a smaller file.
  4. 4Download your WebP images.

Why use SuperPrompts PNG to WebP?

Private by design

Conversion happens in your browser. Your images are never uploaded to a server.

Batch convert

Convert many PNG files to WebP in one go.

Quality and size control

Pick a quality level or a target file size in KB, and crop before you save.

Frequently asked questions

Is this PNG to WebP converter free?

Yes. It is free, with no watermark and no file upload.

Are my images uploaded?

No. The conversion runs on your device in the browser, so the files never leave your computer or phone.

Can I convert several PNG files at once?

Yes. Add multiple images and convert them together.

Will converting PNG to WebP lose quality?

JPG and WebP use compression. At high quality the difference is hard to see; lower the quality only if you need a smaller file.

Related free tools

Try the PNG to WebP free

Part of the free SuperPrompts toolbox: prompt optimizer, writing tools and 30+ PDF tools.

Open PNG to WebP