NameWiz 

An advance, fast and easy way to rename files, folders and sub folders en masse. Change the file extension, make all names lower, upper case, replace or delete characters, add prefixes and suffixes, replace the names + more...
rename renaming renamer change replace sequential files file extension prefix character remove sub

AutoBatch It! 

AutoBatch It! v2 is a batch image processor made for command line operation and as a System Tray Icon application for timer based operation.
command line jpeg resize timer-based batch processing image processes prefix thumbnails

Batch Image Commander 

Batch Image Commander is a batch image processor made for command line operation and as a System Tray Icon application for timer based operation.
command line jpeg resize timer-based batch processing image processes prefix thumbnails