3. Gif – Graphic
Interchange Format
Created by CompuServe in 1987
Pronounced “jiff” emphasis on “J”
Adopted by the World Wide Web in early 1990
4. GIF
Standard format no need for plug-in
Best for solid color images
Supports 256 (8 bit) color palette
Support interlacing
Support transparency
Supports animation
5. Summary
All web browsers support the GIF
format without the need for
additional plug-ins.
Images of solid color look best and are
smallest when saved in the GIF
format.
GIF file types support
interlacing, transparency and
animation.
6. JPG - Joint Photographic
Experts Group
JPG – Pronounced as “jay – peg”
Named after the committee that
created it
First jpeg standard approved in Sept
1992
7. JPG
Also standard format without the
need for plug-in
Supports millions of colors (24bit)
Best for photographs
Provides compression
8. Summary
All web browsers support the jpg format
without the need for plug-ins.
Photographs and continuous tone graphic look
best, and are smaller when you save them in
the jpg format.
Huge lossy compression is possible up to a
hundred time smaller
JPG support millions of colors (24 bit)
9. PNG, Portable
Network Graphics
Pronounced “ping”
It’s one of the most flexible formats on the web.
Support multiple color types
10. PNG
Uses compression to support smaller file
sizes.
Allows you to store 256 levels of partial
transparency.
Supports interlacing.
Capacity for gamma correction
11. Summary
PNG supports a number of different color
depths.
Uses compression to support smaller files
Support variable transparency and interlacing
Has the capacity to correct differences in how
monitors display images.
12. Disadvantage
Not all graphic programs have the ability to create
and edit PNG file types.
Depending on your browser you may need to
download plug-ins.
14. References
Multimedia for the web revealed -By Calleen Coorough and
Jim Shuman.
The GIF Pronunciation Page - http://www.olsenhome.com/gif/
Opening music by -Daniel_Innala_Ahlmark_-_Fantasi_E-dur
Closing music by -Daniel_Innala_Ahlmark_-_Fantasi_E-dur
Narrated by Tracy Mattocks, HACC design student.
