PNG to WebP Converter
Convert PNG images to WebP: smaller files that keep transparency. Adjustable quality, batch conversion, no upload.
How to Use
Add your PNG files
Drop them on the area above or click to choose them. You can select several files at once.
Set the quality
Move the slider: a lower quality gives a lighter file. 85 to 92% suits most photos.
Convert and download
Click Convert, then download each WebP file or all of them at once.
Features
Frequently Asked Questions
PNG uses lossless compression and supports transparency. WebP keeps the transparency of your PNGs while dividing their weight, which is ideal for logos, illustrations and screenshots on a website.
The gain is largest for photos saved as PNG; for simple graphics it is smaller but usually still worthwhile.
Transparent areas are kept in the WebP.
No. The conversion runs entirely in your browser: your files never leave your device, which also makes it fast for several images at once.
PNG uses lossless compression and supports transparency, while WebP, created by Google, supports lossy and lossless compression as well as transparency. WebP is best suited to web pages, where it usually gives smaller files than JPG or PNG.
Did You Know?
WebP can also store animations, and can replace animated GIFs with much lighter files.
Pro Tips
- Use high quality (90% or more) for text and sharp graphics
- Compare the size before and after: keep the PNG if WebP brings no gain
- Converting to WebP requires Chrome, Edge or Firefox; Safari may not encode WebP
Common Use Cases
- Lightening logos and illustrations on a website
- Reducing screenshot sizes in documentation
- Optimizing images for a mobile app or PWA
- Staying under the size limits of a CMS
Best Practices
- The gain is largest for photos saved as PNG; for simple graphics it is smaller but usually still worthwhile.
- Transparent areas are kept in the WebP.
- Keep a copy of your originals until you have checked the converted files
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