MFR - Multi File Renamer v2.2

Multi File Renamer (MFR) is the smallest (64KB), fastest and most intuitive renamer available. You can batch rename and change properties of files. While modifying the rename options, you'll see an instant preview of the new filenames. Invalid and unchanged names are marked differently so you can see any possible problems before renaming.
MFR is a portable application (doesn't have to be installed)

Download Shareware Version*

* The Shareware version has a Nag-screen, but is fully functional.
You can register for 10€ (about $13)

Features:

Insert or Replace text
Remove chars
Clean-up names
- Replace underscores and dots with spaces
- Remove everything between [], () or {}
- Replace HTML Hex and Special codes: %xx, &#xxx and &#xxxxx with their character
- Remove double spaces
Change case
Change file date / time
Modify properties: Archive, Read-Only, Hidden, System, Index, Temporary
(De-)Compress files (OS compression)
(Un-)Encrypt files (OS encryption)
Drag-n-drop support (window can stay on top so you can easilly drop from the explorer)
Full Unicode / Wide / Multi-byte character (MBC) support
Preview modifications (unchanged and invalid names are displayed differently)
Undo rename

Requirements:

Microsoft Windows XP, Vista, Server 2003, Server 2008
Microsoft .NET framework 3.5 (available for free from the Microsoft Website)

Contact / Support:

If you have ideas, comments, suggestions or you need support, please email: mfr@x264.es

New in version 2.2

fixed error in certain rename strings

New in version 2.0

Replace HTML hex: %xx
Replace HTML special chars: &#xxx; (ansi) and &#xxxxx; (mbc)
Change case
Set compressed
Set encrypted
Undo renaming
Window Top Most (stay-on-top)
MBC / Wide character support
Improved user interface