PNG WEBP
Convert PNG to WebP Online for Free
Convert PNG images to WebP online for free. Batch create smaller web graphics while preserving transparency, with no server upload required.
Processed locally in your browser. Your images never leave your device.
Drop your PNG images here
PNG input only · multiple files supported
Free PNG to WebP Converter with Batch Processing
Private browser conversion
Your browser performs the conversion locally, which keeps unpublished designs and private screenshots on your device.
Bulk PNG to WebP conversion
Queue a set of PNG images, convert them to WebP, and download each finished file from one place.
WebP for faster websites
Create WebP assets for websites, product pages, documentation, blogs, and browser-based applications.
How to Convert PNG to WebP Online
Choose PNG files
Drop one or more .png images into the conversion area.
Convert to WebP
The correct output is already selected. Start conversion when your files appear in the list.
Check and download
Save the new .webp files and review them in the page or app where they will be used.
PNG vs WebP: File Size, Quality, and Transparency
26% smaller lossless WebP
Google reports that lossless WebP images are 26% smaller than PNG files, although this tool uses high-quality browser WebP output.
Useful for image-heavy pages
Converting large PNG assets can reduce the amount of image data visitors need to download.
Review transparency
WebP supports transparency, but always inspect the converted result against its intended background before publishing.
Turn your PNGs into WebP files
Convert a single image or a batch without sending files to a server.
PNG to WebP Converter FAQ
How do I convert PNG to WebP online for free?
Add one or more PNG files, keep WebP selected, choose Convert All, and download each converted image without installing software.
Does WebP preserve a transparent PNG background?
Yes, WebP can store transparency. Review the result after conversion to confirm it works against your intended background.
Will WebP reduce the PNG file size?
It often does. Google reports that lossless WebP files are 26% smaller than PNGs, while results vary by image and encoding settings.
Does this tool compress PNG files when creating WebP?
Yes, the WebP encoder applies compression during conversion. Output size varies with image detail, transparency, and the browser encoder.
Is this WebP conversion lossless?
No. The browser creates high-quality WebP output, but this tool does not currently offer a selectable mathematically lossless mode.
Should I replace every PNG with WebP?
Not automatically. Compare appearance and file size, then choose the format that fits each asset and publishing environment.
Can I bulk or batch convert multiple PNG images?
Yes. Select multiple PNG files and process them in one session.
Are my PNG images uploaded to a server?
No. It processes images locally in your browser instead of uploading them to our servers.