n.
in full Joint Photographic Experts Group
Standard computer file format for storing graphic images in a compressed form for general use.
JPEG images are compressed using a mathematical algorithm . A variety of encoding processes can be used, depending on whether the user's goal is the highest quality of image (lossless) or smallest file size (lossy). The JPEG and GIF formats are the most commonly used graphics formats on the Internet for lossy and lossless data compression , respectively.