JPEG (acronym) Type: noun, acronym Pronunciation: /jay-peg/ Also spelled: J.P.E.G., J-P-E-G What does JPEG mean and stand for? 1. Joint Photographic Experts Group; A photo format. Similar to JPEG: PNG, JPG, PDF, GIF 2. JPEGMafia’s nickname. JPEGMafia’s real name: Barrington DeVaughn Hendricks Example sentence: “I’m gonna upload all the JPEG photos today.” JPEG in songs: […]