jhead

EXIF JPEG header manipulation tool

Jhead is a command line driven program for manipulating the non-image parts of Exif flavour JPEG files that most digital cameras produce. It has the following features: - Extracting camera settings from Exif image files - Able to set and/or adjust the Exif time field - Manipulation (extract, replace, regenerate) of Exif integral thumbnails - Transplant Exif image header from one JPEG to another - Edit JPEG comment fields - Automatically rotate images upright (using jpegtran) according to "orientation" tag. - Manage running programs on large batches of Jpegs and restoring Exif header information afterwards. - Display embedded GPS info (if present)