MP3 Filename Formatter quickly renames MP3 filenames and sets ID3 internal MP3 ID Tags. This tool removes Underbars ("_"), extra spaces and other unwanted characters from the filename and leaves a nice-looking formatted filename. It has many options including Mass Renaming, Search and Replace of character strings, Auto-Fill-In of Internal ID Tags, and Edit record and repeat options. MP3 Filename Formatter can also update the internal ID3 tags and save them when renaming a file. The filename and internal ID3 Tags can be previewed and altered, as you want before saving. A MultiTagger utility is included that can set internal ID3 tags in a whole group of selected files. A Mass Renaming option is also available that can eliminate unwanted characters from hundreds of MP3 Filenames in one sweep. With these tools, you can rename entire directories of MP3 filenames in just a few minutes. Features Include: Edits MP3 Filenames And Internal ID3 Tag Settings, Mass Renaming For Eliminating Unwanted Characters From Hundreds of MP3 Filenames In One Sweep, Mass Renaming Option For Autoformatting Filenames By Internal Tags, MultiTagger Utility To Set ID3 Tags In Whole Groups of Files, Option To Confirm Each File Rename In Mass Renaming, Quick-Access Toolbars, Recording/Replaying of editing steps for quick reuse on subsequent files in the list, Creates simple .M3U PlayList files, Extensive MP3 ID3V2 Tag Viewing/Editing, Ability to Cancel Mass Renaming when in "Confirmation" Mode, When renamin, extensive file information is provided when a new filename is the same as an existing one. This allows the user to make informed decisions about the renaming process, Allows the Clearing of ID3 Tags in a file with the touch of a button, Filtering For Searching and Replacing of Character Strings, Allows Auto Fill-In Of Internal ID Tags Based On Defined Formats, Includes Six Predefined Internal ID Tag Formats and Allows Custom Formats To Be Defined.