is a FREEWARE program developed to rename a big number of files.
It works on Win95, Win98, WinME, WinNT, Win2K and WinXP.
It is a simple .EXE file and doesn't need any other external libraries.

Here are a few features to help you rename the files:
Rename files and folders
Rename files in recursive subdirectories
Shell Integration (right click on a folder in the explorer to start LupasRename on these folder)
Instant Preview (Optional)
Undo the last rename operation
Make a Batch file to rename from a DOS Console
Make a Batch file for UNDO operation from a DOS Console
Save and Load your options into an INI File
Filter by any masks: *.mp3;*.mp2 or ???a*.txt...
Load/Edit a Text Files in a Small Editor to help renaming files
Sort Ascendent/Descendent by any column (name, path, size...)
It display the next columns:
Name
Path
Size
Type
Ext
Creation Date
Modification Date
Accessed Date
Attributes
Replace the name by any text
Replace a substring by other with Matchcase Optional
Crop n Chars (Left and/or Right)
Insert any string before and/or after the Filename
Convert to Upper Case (filename)
Convert to Lower Case (filename)
Convert to Upper only the First Letter Of Any Word (filename)
Convert to Lower oNLY tHE fIRST lLETTER (filename)
Replace the extension by any text
Replace a substring by other with Matchcase Optional in Extension
Crop n Chars in Extension (Left and/or Right)
Insert any string before/after the extension
Convert to Upper Case (extension)
Convert to Lower Case (extension)
Convert to Upper only the First Letter Of Any Word (extension)
Convert to Lower oNLY tHE fIRST lLETTER (extension)
Remove the accent symbols
Support for autorename the Display Comic Reader extensions
Autonumbering in any place of the name or extension of the filename (Optional autostart by Folder in recursive mode)
Starting at any number
Incrementing by any number (positive or negative)
Adding n zeros to the number
In Decimal, Hexadecimal, Octal, Binary, Excel Mode and Manual Excel Mode formats
Also With TAGS it supports any Base Number
Option to view folders or not
Option to work with folders as files or not
Option to view files or not
Option to remember the Last Path
Option to remember Windows position and size
The Main Window is sizable
It allow a couple of languages