1st File Renamer
by 1stdesktop.com

  The extremely easy-to-use File Renamer allows you to rename many files and folders at once. In addition, you can rename MP3 files based on ID3v1 and ID3v2 tags. The renaming features apply to sequential numbers, letters, dates, file filters, and you can find or replace part of the filename. You can delete characters, put letters in uppercase or lowercase, add or remove file extensions, and place separators in multiple locations. 1st File Renamer offers several pre-defined filters, which you can use to perform almost any renaming task you could think of, and save you many frustrating hours of manual renaming. You may also define your own filters.

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id3 tags, rename, file rename, ...