Graphic Interchange Format GIF is a type of bitmap image file format which is used for sprite images on the web and in software programs. It is introduced by CompuServe in 1987 and has gained a wide support on World Wide Web, has attracted a great attention of lots of internet users.
A standard GIF image can contain a maximum of 256 colors because GIFs store image data using indexed color.
The GIF has become popular because it uses the LZW (Lempel-Ziv-Welch) compression method, which is the approach of reducing the file size without lowering the quality of the image.
The most distinctive feature of GIF is the support for animation. Animated GIFs contain a some amount of images or frames in a single file and is identified by its own graphic control extension. .