Convert PNG to WebP
Drop PNG files, get smaller WebP versions. Same quality, compact size. Everything in your browser.
Drop images here
or click to browse ยท Up to 50 files ยท Under 50MB each
100% Private
Files never leave your device.
Smaller Files
WebP is 26-34% smaller than PNG.
Works Offline
Install as PWA. No internet needed.
Batch + ZIP
Convert many. Download as one.
Why Convert PNG to WebP?
PNG files can be large โ especially screenshots and photos saved as PNG. Converting to WebP reduces file sizes by 26-34% in lossless mode and up to 90% in lossy mode, while maintaining excellent visual quality. For websites, this means dramatically faster page loads and lower CDN costs. WebP also preserves alpha transparency just like PNG.
PNG vs WebP: Compression Efficiency
Lossless: WebP lossless compression typically produces files 26% smaller than equivalent PNG files. It achieves this through more sophisticated prediction and entropy coding โ analyzing more pixel context than PNG's simpler DEFLATE-based approach. Lossy: WebP's lossy mode with alpha transparency has no PNG equivalent โ PNG doesn't support lossy compression at all. A lossy WebP with transparency can be 5-10x smaller than the equivalent PNG.
When to Convert PNG to WebP
- Website images โ logos, illustrations, product photos all benefit from WebP compression
- E-commerce โ hundreds of product images add up; WebP saves gigabytes monthly
- Screenshots for the web โ PNG screenshots can be 2-5MB; WebP versions are often under 500KB
- When you need transparency but PNG is too large โ WebP lossy with alpha is the sweet spot
Frequently Asked Questions
Does PNG to WebP conversion lose quality?
In lossless mode โ no. Every pixel is preserved. In lossy mode โ some quality is traded for dramatically smaller files. At 90%+ quality settings, the difference is imperceptible for most images.
Does WebP keep PNG transparency?
Yes. WebP supports full 8-bit alpha channel transparency, identical to PNG. Transparent backgrounds, soft shadows, and semi-transparent overlays all work perfectly.