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*Details: File format summary



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Name Graphics Interchange Format
Version 87a
Other names GIF (1987a)
Identifiers Apple Uniform Type Identifier:  com.compuserve.gif
PUID:  fmt/3
MIME:  image/gif
Classification Image (Raster)
Disclosure Full
Description The Graphics Interchange Format (GIF) is a raster image format developed by Compuserve, primarily for use on the internet. A GIF file begins with a Header section and a Logical Screen Descriptor section. This is followed by one or more Image sections, and the file is terminated by a Trailer. GIF supports bit depths between 1 and 8 bits (i.e. up to 256 colours) and supports features such as interlacing and transparency. Images are always stored using lossless LZW compression.
Orientation Binary
Byte order Little-endian (Intel)
Related file formats Is previous version of Graphics Interchange Format (89a)
Technical Environment  
Released 15 Jun 1987
Supported until  
Format Risk  
Developed by Compuserve Incorporated
Supported by None.
Source Digital Preservation Department / The National Archives
Source date 11 Mar 2005
Source description  
Last updated 02 Aug 2005
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