graphics/jhead 3.04 NetBSD

Program for display and manipulate data contained in the Exif header of JPEG images from digital cameras.

Things jhead can extract from an Exif jpeg file

• Integral low-res Exif thumbnail
• Shutter speed
• Camera F-stop number
• Flash used (yes/no)
• Distance camera was focused at
• Focal length and calculate 35 mm equivalent focal length
• Image resolution
• Time and date picture was taken
• Camera make and model
• GPS info, if stored in image

Things jhead can modify in an exif jpeg file

• Up-right images according to rotation tag using jpegtran
• Set or relative adjust internal exif timestamps
• Re-name or date stamp fils according to exif timestamp
• Transfer exif headers between images
• Edit jpeg comments
• Delete exif or comment sections from jpeg images