ExifTool is a customisable set of Perl modules plus a full-featured application for reading and writing meta information in a wide variety of files, including the maker note information of many digital cameras by various manufacturers such as Canon, Casio, FujiFilm, GE, HP, JVC/Victor, Kodak, Leaf, Minolta/Konica-Minolta, Nikon, Olympus/Epson, Panasonic/Leica, Pentax/Asahi, Reconyx, Ricoh, Samsung, Sanyo, Sigma/Foveon and Sony.