Graphics Interchange Format

Other names: GIF

Graphics Interchange Format (GIF) is a standard for defining generalized color raster images. This format allows high-quality, high-resolution graphics to be displayed on a variety of graphics hardware and is intended as an exchange and display mechanism for graphics images. The format supports up to 8 bits per pixel for each image, allowing a single image to reference its own palette of up to 256 different colors chosen from the 24-bit RGB color space. It also supports animations and allows a separate palette of up to 256 colors for each frame. These palette limitations make the GIF format less suitable for reproducing color photographs and other images with continuous color, but it is well-suited for simpler images such as graphics or logos with solid areas of color.

Webpage:
http://www.w3.org/Graphics/GIF/spec-gif87.txt

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