How much smaller is WebP than PNG?

Photos saved as PNG often shrink by 80% or more. Flat graphics shrink less; keep the quality high for those.

Does WebP keep transparency?

Yes. Transparent and partly transparent pixels come through as they were.

Yes, every current version of Chrome, Edge, Firefox and Safari. Some email apps and older software don't, so keep a PNG for those.

Yes. The conversion runs in your browser, so the files stay on your device: nothing is uploaded, stored or seen by us.

File converter

Convert to

Quality 85

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Width, pxHeight, px

Larger images shrink to fit; smaller ones keep their size. SVGs are drawn at exactly this size.

Free, no sign-up. Location and camera details (EXIF) are always removed: each file is redrawn and saved fresh.

PNG to WebP · Free · No upload

WebP keeps transparency like PNG at a fraction of the size, which speeds up pages and helps their Core Web Vitals. Every current browser shows it.

Your files never leave your device.

1
Add PNG images
Product shots, banners and graphics for your site.
2
Set the quality
85 is a good balance. Use 90 or more for text and sharp edges.
3
Download and upload to your site
Save each WebP or the whole set as a ZIP.

How much smaller is WebP than PNG?: Photos saved as PNG often shrink by 80% or more. Flat graphics shrink less; keep the quality high for those.
Does WebP keep transparency?: Yes. Transparent and partly transparent pixels come through as they were.
Do all browsers show WebP?: Yes, every current version of Chrome, Edge, Firefox and Safari. Some email apps and older software don't, so keep a PNG for those.
Is anything uploaded?: Yes. The conversion runs in your browser, so the files stay on your device: nothing is uploaded, stored or seen by us.