GeoSetter is a freeware tool for Windows for showing and changing geo data of image files (e.g. images taken by digital cameras).
Features

Reads and writes the formats JPEG and TIFF as well as camera RAW formats DNG (Adobe), CRW and CR2 (Canon), NEF (Nikon), MRW (Konica Minolta), PEF (Pentax), ORF (Olympus), ARW, SR2, SRF (Sony) and RAF (Fujifilm)
Uses ExifTool from Phil Harvey for writing data
Shows existing geo coordinates and tracks on embedded Google Maps map (requires internet connection)
Setting geo data by using embedded Google Maps map (requires internet connection) or by entering known values for coordinates and altitude directly
Automatic filling of location IPTC fields and altitude values (requires internet connection)
Editable IPTC data (IPTC-NAA/XMP)
Possibilty to change taken date of images
Synchronization with track files (NMEA, GPX, PLT, Sony LOG and others)
Synchronization with already geo tagged images with buddy images (e.g. between RAW images and their corresponding JPEG images)
Localizable user interface - English, German, French, Italian, Swedish, Czech, Spanish, Danish, Dutch, Russian and Norwegian language is available at the moment

The license of this software is Freeware, you can free download and free use this image utility software.