batch file utility is a folder and file renaming utility, that supports wildcards and regular expressions with a variety of renaming features, including options to change case, replace characters, replace strings, set file attributes, rename mp3 files based on their id3 tag information and more. in addition, the program can also move or copy files and optionally (batch)compress them. batch file utility provides a preview of the changed names as well as an undo option that allows you to revert the name changes if needed.