Fun fact: EXIF is simultaneously JPEG format (EXIF spec describes compressed image file format which is based on JIF, the base JPEG file format described in JPEG spec, also EXIF is for "EXchangeable Image File format", suggesting that authors saw it as new file format) and TIFF format (EXIF metadata is actually embedded TIFF which can be parsed with tiffdump, also EXIF spec describes uncompressed image file formats which are TIFF with embedded EXIF metadata which is also TIFF...)