Rename a single file or multiple files you want to rename by holding down the "control" button and clicking on the file name with the mouse, or select all the files in a folder with a single click. Does several file types and will undo your last operation if needed.
File Renamer is a file management application which will let rename any desired files you can choose from your hard disk.
File Renamer also has multiple file renaming features. You can rename whole files in a folder.
The password for entering the program is "ReNaMeR" without the quotation marks and must be typed EXACTLY as shown. It is case sensitive.