GIF89a (Graphics Interchange Format Version 89a)

The Graphics Interchange Format (GIF) is a bitmap image format that was introduced by CompuServe in 1987 and has since become one of the most widely used image formats on the World Wide Web. GIF images are compressed using the Lempel-Ziv-Welch (LZW) lossless data compression technique to reduce file size without degrading image quality. GIF89a … Read more