Most Common Image Formats

• GIF = Graphical Interchange Format
  • 256 colors only
  • modest compression
  • good for icons, buttons, bullets, small illustrations, graphical lines, charts, tables, thumbnails.

• JPEG = Joint Photographic Experts Group
  • good compression, but, may take longer to uncompress and view, lossy.
  • full color (24 bit)
  • good for photographic-quality images, large images

   

• PNG
  • extension of GIF to full color (24 bit)
  • compression not as good as JPEG
  • hence use for small images, icons, etc.