About GIF
The Graphics Interchange Format or GIF is a bitmap image format that was established by CompuServe in 1987 and has since then been used greatly on the World Wide Web because of its wide support and flexibility.
The format currently supports as much as 8 bits per pixel, which ultimately allows a single image to reference a palette of up to 256 distinct colours selected from the 24-bit RGB colour space. It also has animation capabilities and provides a separate palette of 256 colours for each individual frame. The colour restriction makes the GIF format inappropriate for the reproduction of colour photographs and other images with continuous colour. It works best with simpler images such as graphics or logos with solid, consistent portions of colour.
GIF images are compressed using the Lempel-Ziv-Welch or LZW lossless data compression technique to decrease the file size without lessening the overall visual quality. This particular compression technique was patented in the year...


















