File Formats2025-10-20
Image File Formats Explained: PNG, JPG, GIF, WebP
While there are various image file formats, understanding their characteristics and uses helps you utilize them more effectively. This guide explores the features of major image formats and their optimal use cases.
PNG (Portable Network Graphics)
Features
- Lossless compression
- Transparency support (alpha channel)
- Up to 16.7 million colors
- Optimal for text and sharp edges
Best Use Cases
- Logos and icons
- Screenshots
- Graphics requiring transparent background
- Diagrams and charts
JPEG/JPG (Joint Photographic Experts Group)
Features
- Lossy compression
- Small file size
- No transparency support
- Optimized for photographs
Best Use Cases
- Photos and complex images
- Web background images
- Email attachments
- Social media posts
WebP
Features
- Both lossy and lossless compression
- 26% smaller than PNG
- 25-34% smaller than JPEG
- Transparency and animation support
Best Use Cases
- Website images
- Mobile apps
- Responsive design
- High-performance sites