by Heatsoft Corporation Handy File Tool (HFT) is a very fast and simple file manager. It has some internal utilities such as Renamer, Replacer and Finder. HFT has utilities necessary for webmasters, programmers and anybody who is concerned with computers.
by Cool Engineering renames files and folders for a next-coming FTP-upload that way, that it replaces invalid characters with an underscore "_". German special character as ä, ö, ü, ß will be replaced with "ae", "oe", "ue" and "ss". The filename will be lowercased.