Image Formats
- GIF
- 8 bits per pixel
- uses proprietary LZW compression format
- PNG
- originally “Ping Is Not GIF”, later Portable Network Graphics
- 16.7M colors
- 8-bit transparency channel
- lossy and lossless compression
- JPEG/JPG
- lossy discrete cosine transform
- divides image into 8x8 pixel blocks
- no transparency
- WebP
- supports lossy and lossless compression
- lossless images are smaller than lossless PNG
- lossy images are smaller than JPG
- support alpha channel for transparency