Exiv2

Exif, IPTC, and XMP metadata manipulation library and tools

Exiv2 is a C++ library and a command line utility to manage image metadata. It provides fast and easy read and write access to the Exif, IPTC, and XMP metadata of images in various formats. Exiv2 is available as free software and with a commercial license, and is used in many projects.

WWW http//www.exiv2.org/