UltraDefrag is a powerful and also free program for defragmentation tool, this program is very fast because it reated as a kernel-mode driver.

This program uses cluster map visualization. Console is good for task scheduler, and native tool – for advanced users and programmers.

UltraDefrag´s design is very ergonomic: no skins, no localization, no animation and so on. It´s a truely small and powerful program!

It can be used on Windows 2000, Windows XP, Windows Server 2003 and Windows Vista. NT 4.0 support is currently unavailable.

Features:

* very fast defragmentation, because engine is kernel mode driver and has optimal algorithm.
* very small engine written in pure C language.
* nice graphical interface – compact and comfortable.
* safety, because file moving is realized with special system calls.
* simple to use.
* generate html reports.
* has useful filters.
* free: distributed with full source code under the GNU General Public License.

What’s New in version 2.1.1:

* Most of the known bugs were fixed.
* Japanese translation was added.

Welcome back!