JPEG (/ ˈdʒeɪpɛɡ / JAY-peg, short for Joint Photographic Experts Group and sometimes retroactively referred to as JPEG 1) [2][3] is a commonly used method of lossy compression for digital images, particularly for those images produced by digital photography.
Short for Joint Photographic Experts Group, JPEG is a digital image compression format and image type released on September 18, 1992. Today, JPEG images are commonly used on the Internet and with digital cameras.