PFrank is an acronym for Peter's Flexible RenamiNg Kit. This is a Freeware bulk file renaming program that runs under Windows. With this tool you can easily organize your music files, picture files, or any other types of files. PFrank comes equipped with many features, some of which you won't find on any other renaming program. The beauty of this tool is it's flexibility. You can easily build any renaming command sequence you like, preview all of the results, press the rename button, and you're done.