WebP vs PNG: Is WebP Really Better Than PNG for Modern Websites?
Compare WebP and PNG file sizes, transparency handling, browser support, and compression performance for web graphics and illustrations.
WebP was engineered specifically to supersede legacy web image formats. In lossless mode, WebP files are on average 26% smaller than equivalent PNGs while supporting identical alpha channel transparency and broad browser rendering support.
| FEATURE | WEBP | PNG |
|---|---|---|
| Compression Algorithm | VP8L predictive spatial transform | Deflate (LZ77 + Huffman filters) |
| Average Size vs PNG | ~25-35% smaller | Baseline reference |
| Transparency Support | Yes (in both lossy and lossless) | Yes (8-bit alpha channel) |
| Animation Support | Yes (Animated WebP) | Limited (APNG extension) |
| Global Browser Support | ~98% of all browsers | 100% universal support |
- 26% smaller file size than PNG while maintaining 100% lossless fidelity
- Supports both lossy and lossless modes with alpha transparency
- Faster website load times and improved Core Web Vitals (LCP)
- Modern web standard supported by all major browsers
- Ubiquitous desktop editor support (Photoshop, older apps, OS previews)
- Bit-for-bit standard for archival asset storage
- Immediate encoding without modern codec dependencies
- Universal printing and publishing pipeline compatibility
Convert PNG to WebP for modern web deployment to cut page weight and improve site speed. Keep PNG as your master source file in design applications.
CHROME WEB STORE · LIVE
Converting files between WEBP and PNG frequently? The convrtr Chrome Extension lets you right-click any image on any webpage or open the Side Panel to convert assets instantly using local WebAssembly with zero server uploads.