PrivTab

PNG to WebP Converter

Convert PNG images to WebP, which is usually much smaller and keeps transparency: perfect for websites.

Runs in your browser · No uploads

Drag & drop PNG images here

or

PNG images, with or without transparency · one or many

Your files stay on your device. Nothing is uploaded.

You can also paste an image or screenshot with Ctrl+V (⌘V on a Mac).

  • Nothing leaves your device
  • No server-imposed size limits
  • No sign-up, no watermark
  • Free

Popular conversions

How to convert PNG to WebP

  1. Choose or drop your PNG files. You can add many at once.
  2. The output is set to WebP. Adjust the quality, or the size under Advanced Options, if you like.
  3. Press Convert, then download the files one by one or all together as a ZIP.

Good to know

  • Transparency is kept.
  • WebP works in all current browsers.
  • Quality 80–90 is a good balance for most images.

Your images stay on your device

Everything happens in your browser. Your images are never uploaded, so private photos and client work stay with you.

Frequently asked questions

How much smaller will my images be?

Often 25–80% smaller than PNG, depending on the image. Each result shows the new size.

Are my images uploaded?

No. They are processed in your browser and never sent anywhere.