Namexif™ is a Free Portable tool that can be used to automatically rename photo or picture filenames according to the date and time the photos were taken. In addition, you can amend the original filename to the date. Namexif can work with pictures taken by any EXIF compliant digital camera. This tool can help you keep track of the events that took place in your pictures by maintaining chronological order and setting a unique name to your photos.
Namexif - Portable Batch Photo Renamer Screenshots
Authors Website: http://digicamsoft.com/softnamexif.html
Download: You can get Namexif HERE