WinContig is an easy-to-use standalone defragmentation tool that doesn't create any installation directories or registry entries on your computer.
Its purpose is to quick defrag files without the need to defrag the whole disk. Also, WinContig allows you to group files into profiles, and also it accepts many optional command-line switches that you can use to control how the program operates.
WinContig is a standalone executable, and it doesn't require any installation process or additional DLLs. To start using it, just extract the contents of the ZIP archive to any folder you like, and run it.
As a user of Windows 2000, Windows XP, or Windows Vista, you have to be logged in with full administration rights.