Quick Verdict
Use PNG for graphics, logos, and images needing transparency. Use JPG for photographs and large images where file size matters more than perfect quality.
Overview
PNG
Portable Network Graphics - a lossless image format with transparency support
Pros
- •Lossless compression - no quality loss
- •Supports transparency (alpha channel)
- •Better for graphics, logos, and text
- •Supports millions of colors
- •Better for images with sharp edges
Cons
- •Larger file sizes than JPG
- •Not ideal for photographs
- •No native EXIF data support
- •Slower to load on web
Best Used For
- →Logos and icons
- →Screenshots
- →Graphics with text
- →Images requiring transparency
- →Web graphics and UI elements
JPG/JPEG
Joint Photographic Experts Group - a lossy image format optimized for photographs
Pros
- •Smaller file sizes
- •Better for photographs
- •Universal browser support
- •Adjustable compression levels
- •Supports EXIF metadata
Cons
- •Lossy compression - quality degrades
- •No transparency support
- •Poor for text and sharp edges
- •Quality loss with repeated saves
- •Not ideal for graphics
Best Used For
- →Photographs
- →Complex images with gradients
- →Large images for web
- →Digital camera output
- →Social media images
Detailed Comparison
| Criteria | PNG | JPG/JPEG | Winner |
|---|---|---|---|
| File Size | Larger (lossless) | Smaller (lossy) | JPG/JPEG |
| Image Quality | Perfect (no loss) | Good (some loss) | PNG |
| Transparency | Yes | No | PNG |
| Best for Photos | No | Yes | JPG/JPEG |
| Best for Graphics | Yes | No | PNG |
| Compression | Lossless | Lossy | Tie |
| Browser Support | Universal | Universal | Tie |
| Loading Speed | Slower | Faster | JPG/JPEG |