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PNG to WebP Converter

Convert PNG images to modern WebP with the free converter. It keeps your transparency, lets you tune the quality and runs privately in your browser.

Quality 90%

Choose a PNG image

What is PNG to WebP Converter?

WebP is a modern image format that compresses far better than PNG at similar quality, so a graphic or logo is usually dramatically smaller — often more than half the file size. For images with flat colour, text and transparent backgrounds — the typical PNG use cases — the savings are large and the visual difference is minimal. Crucially, WebP supports an alpha channel, so the transparency your PNG relies on is preserved in the converted file. This converter takes your PNG and produces a WebP with a quality slider you control, showing the output size and a preview as you work. It runs entirely in your browser, so your image is never uploaded and nothing is stored. Developers and designers convert PNGs to WebP to shrink assets, speed up load times and trim bandwidth, and the result works in every modern browser. It is the best first step when you want to slim down a site that is still serving chunky PNGs.

How to use PNG to WebP Converter

Choose a PNG image from your device.
Adjust the quality slider to balance file size against sharpness.
Review the output size and the preview.
Click “Download WebP” to save the converted image.

Example

A 240 KB PNG logo with a transparent background. Converted at quality 90 it may drop to roughly 40–60 KB WebP, and the transparency still comes through. Lower quality gives an even smaller file.

Common use cases

Shrinking logos, icons and graphics that use transparency.
Reducing page weight and bandwidth for a site or app full of PNGs.
Converting PNG assets to WebP for faster image-heavy pages.
Improving load times without giving up the transparent backgrounds you need.

Pro tips

Transparency is preserved, so a transparent PNG converts cleanly to WebP.
For flat-colour graphics, WebP often wins big on size with near-identical quality.
Keep your PNG source so you can re-export if the lossy pass is a concern.

FAQ

How do I convert PNG to WebP?

Select a PNG image and the converter produces a WebP instantly in your browser. Download the result when ready.

Is it free and private?

Yes. It is free, unlimited, and runs entirely in your browser so your images never leave your device.

Does PNG to WebP keep transparency?

Yes. WebP supports transparency, so the converted file keeps the alpha channel your PNG images use.

Why convert PNG to WebP?

WebP is far smaller than PNG at similar quality, so your images load faster and your site uses less bandwidth.

How big is the saving?

For graphics, logos and icons, WebP is often more than half the file size at near-identical quality.

Can I adjust the quality?

Yes. Use the quality slider to balance file size against sharpness.

Is my image uploaded?

No. Conversion runs locally in your browser and nothing is sent to a server.

Is it good for flat-colour graphics?

Yes. WebP compresses flat-colour and transparent graphics very efficiently.