JPEG is a digital image coding standard or file format. The term ‘JPEG’ is an initialism/acronym for the Joint Photographic Experts Group, which created the format. It is a lossy compressed file format and denoted by the following file extensions: .JPEG, .JFIF, .JPG, and .JPE. It is also it is the most common format for storing and transmitting photographic images on the internet, and the most common file format captured by digital cameras.