There are many file renaming programs but if you want something simple, friendly and without complications, then a good choice could be Rename Files 1.0. It automatically renames all the files you indicate.

The Rename Files 1.0 interface is simple, without too many options nor additional tools, but just what is needed to rename using parameters and requirements indicated, without extra complications, making it recommended for novices.

Despite its simplicity it has everything needed to do the essentials of renaming: change extensions, replace text, delete/insert specific characters, numbering, etc.

Download free Rename Files 1.0