WebP
VS
PNG
WebP vs PNGComplete Format Comparison Guide
WebP delivers significantly smaller files than PNG with comparable quality. Use WebP for web delivery and PNG when you need universal compatibility or are working in design tools.
Updated April 10, 2026
Both vs Lossless compression
Side-by-side analysis
Feature-by-Feature Comparison
| Feature | WebP | PNG |
|---|---|---|
| Full Name | Web Picture Format | Portable Network Graphics |
| File Extension | .webp | .png |
| Compression | Both | Lossless |
| Transparency | Yes | Yes |
| Animation | Yes | No |
| Color Depth | 24-bit (lossy) / 32-bit (lossless with alpha) | Up to 48-bit |
| Max Colors | 16.7 million | 16.7 million (24-bit) or 281 trillion (48-bit) |
| Browser Support | Excellent | Universal |
| Typical File Size | Very Small | Large |
| Year Introduced | 2010 | 1996 |
Full Name
WebP
Web Picture Format
PNG
Portable Network Graphics
File Extension
WebP
.webp
PNG
.png
Compression
WebP
Both
PNG
Lossless
Transparency
WebP
Yes
PNG
Yes
Animation
WebP
Yes
PNG
No
Color Depth
WebP
24-bit (lossy) / 32-bit (lossless with alpha)
PNG
Up to 48-bit
Max Colors
WebP
16.7 million
PNG
16.7 million (24-bit) or 281 trillion (48-bit)
Browser Support
WebP
Excellent
PNG
Universal
Typical File Size
WebP
Very Small
PNG
Large
Year Introduced
WebP
2010
PNG
1996
File Size Comparison
Scenario: A product photo with transparent background at 800 × 800 pixels
WebP
.webp
84 KB
PNG
.png
320 KB
Note: WebP lossless produces files roughly 26% smaller than PNG with identical visual quality
When to Use Each Format
WUse WebP when...
- You are optimizing images specifically for web performance
- Your audience uses modern browsers (Chrome, Firefox, Edge, Safari 14+)
- You want transparency support with smaller files than PNG
- You need animated images with better quality than GIF
- Page load speed and Core Web Vitals are a priority
Best for
Web performance optimizationReplacing both JPG and PNG on websitesAnimated images (replacing GIF)E-commerce product imagesProgressive web apps
PUse PNG when...
- You need guaranteed compatibility with all software and platforms
- You are working in design tools that do not support WebP
- The image is for print or non-web distribution
- You need to edit the image in legacy applications
- Universal email client support is required
Best for
Screenshots and UI elementsGraphics with text overlaysImages requiring transparencyLogos and iconsLine art and diagrams
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WebP vs PNG FAQ
Common questions about WebP and PNG image formats
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