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PNG to WebP: cut the weight while keeping the transparency

PNG images, especially screenshots and charts, can get much lighter as WebP, and WebP also supports transparency. It is a common conversion for people who optimize site images without losing the transparent background.

Drag and drop your images here

or click to select from your computer

Up to 50 images · 200 MB per queue

How to do it, step by step

Select the PNG files.
Adjust the Quality for the balance you want.
Click Convert all.
Download the WebPs or the ZIP.

See where to click, with an image of the tool →

When this is useful

A site’s logos and icons

Keeps the transparent background and usually reduces the size.

Screenshots for online documentation

Screenshots in WebP load faster on help pages.

Tips for a good result

Test one image at the quality you plan to use before converting the batch.
Keep the original PNGs as the source files.

What this tool does not do

The WebP in this converter is lossy: very small text in screenshots can lose sharpness at low quality.
Not every old program opens WebP.

Frequently asked questions

Is the transparency kept?: Yes. PNG and WebP preserve transparency.
Can I convert and go back to PNG later?: You can, but the quality loss from the WebP is not reversed.

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Text written by Marcelo Amantino · updated October 18, 2026 · who we are