Why convert PNG to WebP?

WebP can reduce web image weight while keeping good visual quality and can preserve transparency in supported browsers.

Can I resize the image while converting?

Yes. Enter dimensions, a ratio or a maximum KB target before export.

Web image converter

Convert PNG to WebP online.

Create a smaller modern WebP from a PNG and optionally resize it for websites, product pages or web apps.

Choose or drop a PNGYour image is processed locally in this browser.

Maximum file size (KB)

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Convert large PNG files for faster web delivery

PNG is excellent for lossless graphics, but it can be heavy on websites. WebP is often a more efficient delivery format while still supporting modern web workflows and transparency.

SizeFix lets you combine conversion with resizing or a maximum file-size target so you can prepare the output for the real destination instead of converting blindly.

PNG to WebP FAQs

Can WebP preserve transparency?

Yes, modern WebP supports transparency.

Will WebP always be smaller than PNG?

Not always, but it is often more efficient for web delivery depending on the image.

Can I set a maximum size?

Yes. Enter the KB target before conversion and SizeFix will validate the result.