GIF File Format
GIF, Graphics Interchange Format, is a bitmap image file format which was developed by CompuServe in 1987. .gif files are widely used on World Wide Web due to its wide support and portability. GIF images are compressed using the Lempel-Ziv-Welch (LZW) lossless data compression technique to reduce the file size without degrading the visual quality.
GIF file format became popular because it used LZW data compression, which was more efficient than the run-length encoding that formats such as PCX and MacPaint used, and fairly large images could therefore be downloaded in a reasonably short time, even with very slow modems. GIFs are suitable for sharp-edged line art (such as logos) with a limited number of colors. GIFs can be used to store low-color sprite data for games or for small animations and low resolution film clips.
GIF Compression: GIF vs PNG /
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