« Awesome Duplicate Photo Finder Portable » is a simple but powerful Windows utility tool that allows you to loacate/ find and remove all duplicate photos. It can find duplicate files based on several criteria (title, format, size, timestamp, etc.). This powerful program is even able to compare images that have been resized or modified (black and white effects, etc.) and can handle most image formats such as JPG, BMP , GIF, PNG, and others.
A free software compatible with Windows XP and 7/Vista/2000/2003