Convert PNG to WebP
Convert PNG to WebP online free. Fast, private and in your browser — no upload, no sign-up and no watermark. Batch PNG→WebP conversion that works on any device.
To convert PNG to WebP, drop your PNG file into the converter above, then download the WebP result. It's free, needs no sign-up, and there's no watermark. The conversion runs entirely in your browser, so your files never leave your device.
Why convert PNG to WebP?
Converting PNG to WebP is the quickest way to make page graphics smaller without losing transparency. WebP keeps the alpha channel a PNG relies on while cutting the file size by roughly a quarter to a third — so logos, screenshots and illustrations load faster and your Core Web Vitals improve.
- Shrinking PNG logos, icons and screenshots for a faster website.
- Keeping transparency while getting a smaller file than PNG can offer.
- Serving modern images to improve LCP and PageSpeed scores.
PNG vs WebP
PNG · Portable Network Graphics
PNG is a lossless raster format with full alpha transparency. It keeps text and sharp edges crisp, which makes it ideal for logos, icons, screenshots and UI graphics — at the cost of larger files for photographs.
WebP · WebP
WebP is Google's modern image format. It does both lossy and lossless compression with transparency, and is typically 25–35% smaller than an equivalent JPG or PNG. Every current browser supports it.
PNG to WebP — frequently asked questions
Does PNG to WebP keep transparency?
Yes. WebP supports a full alpha channel, so transparent areas in your PNG stay transparent after conversion.
Is WebP smaller than PNG?
Almost always. For typical graphics WebP is 25–35% smaller than PNG at visually identical quality, and lossless WebP still beats PNG on size.
How do I convert PNG to WebP?
Drop your PNG file (or several) into the converter, confirm WebP is selected as the output, click convert, then download the WebP file. The whole thing takes a few seconds.
Is this PNG to WebP converter free?
Yes — it's completely free with no watermark and no sign-up required.
Is it safe to convert PNG to WebP here?
Yes. PNG to WebP conversion happens entirely in your browser — your files are never uploaded to a server.
Can I convert multiple PNG files at once?
Yes. Add as many PNG files as you like and download them individually or together as a zip.
Does it work on mobile?
Yes — the converter runs in any modern browser on phones, tablets and desktops.