Simple command-line utility for renaming files using an intuitive but powerful syntax (like regex, only much easier). Perform string operations (e.g. case conversions, rearrangements of substrings), arithmetic operations (e.g. on numbers in the file name), enumerate files (e.g. by name, size, time, or other attributes), insert time stamps, and many more! Free Java software. Visit http://renamewand.sourceforge.net/index.html for more information.

Screenshot of RenameWand