Convert Images
PNG to WebP
Compress PNG images into modern, lightweight WebP files.
Runs entirely in your browser — the file never leaves this device
100% FREE
No subscription required
COMPLETELY PRIVATE
Your files are never uploaded anywhere
CLIENT-SIDE PROCESSING
All conversions happen in your browser only
YOUR DATA IS YOURS
We process everything locally on your device
Drop your files here
or click to choose from your device
Select filesAbout PNG to WebP
Make images for your website up to several times smaller while keeping transparency.
How to use PNG to WebP
- 1Click "Select files" or drag and drop PNG images into the box above.
- 2Set the quality / compression level.
- 3Press "Run PNG to WebP". The conversion runs on your own device, usually in a few seconds.
- 4Download WebP images. Nothing is uploaded or stored on any server.
Tips for the best result
- WebP is supported by all modern browsers.
Frequently asked questions
Is the PNG to WebP tool free?
Yes. It is completely free, with no sign-up, no watermark and no daily limit.
Are my files uploaded to a server?
No. FlashFile processes your files entirely inside your browser, so they never leave your device.
Is there a file size limit?
There is no fixed limit. Files up to about 200 MB work on most computers; very large files depend on your device memory.