File Grinder is a program for batch file renaming, copying and moving, based on file name templates and multiple file format meta-tags, e.g. MP3, OGG, FLAC, FictionBook 2, JPEG etc. The program also has a console UI, which makes it easy to use it in scripts.

Features:

File copy, move and rename

Generic file name formatting (uppercase, lowercase, counters etc.)

Multiple format meta-tags supported (click here for details)
-FictionBook 2
-JPEG pictures
-Audio files (MP3, OGG, FLAC, WMA, APE, AAC)
-Video files (MPEG, AVI)
-HTML files

Powerful file name template editor

Powerful Search & Replace with Regular Expressions support

Changes live preview

Change or remove invalid characters in file name

Command line support

Limitations: Requires Microsoft .Net Framework 3.5+ installed.