GIF (Graphics Interchange Format) is a useful 8-bit-per-pixel bitmap image format created by CompuServe in 1987. Since then it has become wide used for its wide support and portability. GIF supports online drawings, pictures with blocks of solid colors, and pictures with sharp boundaries between colors. GIF is unsuitable for photographs due to its 256 distinct colors from the over 16 million representable in 24-bit RGB limitation. However, there is a hack that can overcome this limitation under certain circumstances. On the process of compressing, there is no information lost in GIF files. 

Exif (Exchangeable Image File) is a specification for the image file format used by digital cameras. It can store digital photograph’s properties information and the shooting data. Exif is introduced by the Japan Electronic Industries Development Association (JEIDA). Version 2.2 is dated April 2002. Exif is existing in JPEG, TIFF, RIFF files, with the addition of specific metadata tags. It is not supported in JPEG 2000, PNG, or GIF.

JPEG (Joint Photographic Experts Group) is a way to store images by compressing digital images, especially for natural or real scenes. However, it is not suite for online drawings and cartoons. When compressing images, some information will be lost. But human eyes won’t find the inconspicuous difference.

To convert gif exif to jpg file, please download JPEG Photo Converter.



Other image format definition:

PCX is an image file format specially used by drawing program based on PC. It’s the format developed when ZSOFT Corporation was developing Paintbrush (the image processing software). PCX format is supported by desktop layout or image art software as well as video capture software. It supports 256-color palette or all 24bit RGB, while it doesn’t support CMYK or HSI color mode.

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