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PNG to WebP Converter
Convert PNG images to WebP directly in your browser. Transparency survives the conversion, and files usually get much smaller. Your files never leave your device. No sign-up, no limits, free.
Drop your PNG files here
or click to browse, or paste from your clipboard
Runs 100% in your browser No size or file limits Free, no sign-up
How to convert PNG to WebP
Add your PNG files
Drag and drop images anywhere in the box, click to browse, or paste them straight from your clipboard. Add as many as you like.
Choose lossy or lossless
The default lossy mode makes photos dramatically smaller. For logos, screenshots and graphics with sharp edges, enable Lossless to keep every pixel exact and still save space.
Convert and download
Click Convert. Every file is processed on your own device, then download them one by one or all at once as a ZIP.
PNG to WebP questions, answered
Is transparency preserved?
Yes. WebP fully supports alpha transparency, so transparent backgrounds and soft edges survive the conversion in both lossy and lossless mode. Nothing gets flattened.
Should I use lossy or lossless WebP?
For photographs, lossy at the default quality gives the biggest savings with no visible difference. For logos, icons, screenshots and graphics with text or sharp edges, lossless keeps every pixel exact and still beats PNG on size.
How much smaller than PNG will it be?
Lossless WebP is typically around 25 percent smaller than an optimized PNG. Lossy WebP can be 5 to 10 times smaller for photographic content. The preview shows the measured size before you commit.
Do all browsers support WebP?
Yes, all modern browsers display WebP natively. Only very old software cannot open it, in which case keeping a PNG copy makes sense.
Can I convert many PNG files at once?
Yes. Add any number of files, convert them in one go, and download everything as a ZIP. There is no file count limit.
Are my images uploaded to a server?
No. The WebP encoder runs as WebAssembly inside your browser, so your originals never leave your device - there is no upload step at all.