Is the PNG to WebP Converter free to use?

Yes. PNG to WebP Converter is completely free with no sign-up, no watermarks and no usage limits.

Are my files uploaded to a server?

No. PNG to WebP Converter runs entirely in your browser — your files and data never leave your device.

Does it work on mobile and offline?

Yes. It works in any modern browser on desktop or mobile, and the toolkit is a PWA that keeps working offline after your first visit.

PNG to WebP Converter

Convert PNG to WebP for smaller, web-optimized images with full transparency support, all client-side.

How it works

1
Add your images
Drag and drop, paste, or browse. Nothing is uploaded — files are read directly in your browser.
2
Choose your options
Set the options for PNG to WebP Converter and preview the result before you export.
3
Process on your device
PNG to WebP Converter runs locally on a Canvas, so even large batches are handled quickly and privately.
4
Download
Save a single file, or grab everything at once as a ZIP.

Common uses

Convert PNGs to smaller WebP for faster pages, keeping transparency.
Modernize an image set without losing the alpha channel.
Cut asset weight on a site that already supports WebP.

About the PNG to WebP Converter

Convert PNG to WebP for smaller, web-optimized images with full transparency support, all client-side.

PNG to WebP Converter is part of a free, privacy-first toolkit. Everything is processed locally on a Canvas with high-quality pica resampling — there are no uploads, no quality loss from a server round-trip, and no limits.

Because png to webp converter works without any sign-up or installation, you can use it as often as you like and it's always available — on desktop or mobile, and even offline.

Explore more image tools, or try Image Resizer · Batch Image Resizer.