Harvard Extension School, Fall 2018
CSCI E-12 Fundamentals of Web Site Development

## PNG

Property | PNG Portable Network Graphic
--- | ---
Color System | 8 bit indexed (256 colors) RGB (24 bit; millions of colors)
Compression | Lossless Compression
Other Features | `.png` file extension Transparency Animation through non-standard extension
Typical Uses | Any
Property | PNG Portable Network Graphic
Photograph 250 × 188 px | 25.8 kb (indexed, 8-bit) | 81.9 kb (RGB, 24-bit)
Illustration 148 × 179 px | 1.02 kb (indexed, 8-bit) | 1.89 kb (RGB, 24-bit)

Copyright © David Heitmeyer