Local processing
Files are decoded and re-encoded inside the current browser session.
Free image format tool
PNG to WebP Converter Online Free
Convert PNG graphics into WebP for faster modern websites and smaller downloads. WebP can retain transparency while offering adjustable compression.
Create smaller modern web images Retain transparency supported by WebP Process images privately in your browser
Browser-based conversion
Convert PNG files to WebP
90%
Simple and private
Convert images without sending them to NanoEditor
The converter uses browser image APIs. Your source files remain on your device, and no account or image-generation credits are required.
Immediate results
No upload queue or server processing is needed for standard still images.
Works across devices
Use a modern desktop or mobile browser that supports canvas image encoding.
FAQ