FileID is a DOS command-line utility that identifies files. It can also be
integrated in the Windows Explorer context menu. Currently over 120 different
file formats are recognized and from most of them extra information can be displayed.
Features
Different colors for each file-type
Display extra file-type related information, like image size, or archive compression ratio
Returns errorlevel indicating the last recognized format
Automatically fix erratic file extensions
Scan an entire directory including all subdirectories
Filter output by using a search text
5 verbosity levels for file information
Redirect or pipe the output
Supports 4DOS descriptions
Supports long filenames under Win32
Almost everything listed above can be enabled/disabled using command-line parameters