Also known as: JPG
JPEG is a digital image file format. It is a compressed file format, which means that when creating a JPG image from another uncompressed and/or lossless format, the JPG image file will exhibit minor (or severe) loss of overall quality, depending on the compression applied. The format itself includes the following file extensions... .JPEG, JPG, .JFIF, and .JPE. It is the most common format for storing and transmitting photographic images on the internet, and the most common file format captured by modern digital cameras.