PNG to WebP Converter
Convert PNG images to smaller WebP files — 100% in your browser.
100% Private
Images are converted in your browser. Nothing is uploaded to any server.
Smaller Files
WebP is typically much smaller than PNG at similar visual quality, and keeps transparency.
Batch Convert
Convert many PNG files at once and download them individually or as a ZIP.
Why convert PNG to WebP?
PNG is lossless, which makes files large. WebP can use lossy compression with adjustable quality while still supporting transparency, so images load faster and use less storage. This tool re-encodes your PNGs with your browser's built-in WebP encoder, so no data leaves your device.
How to convert PNG to WebP
1. Upload PNG files
Drag and drop one or more PNG images or click to browse your device.
2. Set quality
Move the quality slider to balance image quality against file size.
3. Convert
Click Convert to WebP to convert every file instantly in your browser.
4. Download
Download each WebP file, or download all of them together as a ZIP.
PNG to WebP FAQ
How do I convert PNG to WebP?
Upload one or more PNG files, choose a quality level, click Convert to WebP, then download each file or all of them as a ZIP.
Is my PNG uploaded to a server?
No. Conversion runs entirely in your browser using the canvas API, so your images never leave your device.
Does WebP keep PNG transparency?
Yes. WebP supports an alpha channel, so transparent areas of your PNG stay transparent.
What quality setting should I use?
80 to 90 percent gives a good balance of sharpness and small size for most images. Lower values give smaller files with more visible compression.
Can I convert multiple PNG files at once?
Yes. Add as many files as you like, convert them in one click, and download them individually or as one ZIP.
Is the converter free?
Yes, it is free to use with no sign-up.