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Graphics Interchange Format

(graphics, file format)Graphics Interchange Format - /gif/, occasionally /jif/ (GIF, GIF 89A) A standard for digitised images compressed with the LZW algorithm, defined in 1987 by CompuServe (CIS).

Graphics Interchange Format and GIF are service marks of CompuServe Incorporated. This only affects use of GIF within Compuserve, and pass-through licensing for software to access them, it doesn't affect anyone else's use of GIF. It followed from a 1994 legal action by Unisys against CIS for violating Unisys's LZW software patent. The CompuServe Vice President has stated that "CompuServe is committed to keeping the GIF 89A specification as an open, fully-supported, non-proprietary specification for the entire on-line community including the World-Wide Web".

Filename extension: .gif.

File format.

GIF89a specification.

See also progressive coding, animated GIF.
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Graphic method
graphic symbol
graphic tellurium
graphic workstation
graphical
Graphical Kernel System
graphical record
Graphical statics
graphical user interface
Graphically
Graphicness
Graphics
graphics accelerator
graphics adapter
graphics adaptor
graphics card
-- Graphics Interchange Format --
Graphics Interface Format
Graphics Language Object System
Graphiscope
Graphite
Graphite battery
Graphitic
Graphitic acid
Graphitic carbon
Graphitoid
graphoanalist
graphoanalysis
Grapholite
graphologist
graphology
Graphophone
Graphoscope
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