Today, we are listing Six Powerful Free Disk Defragmentation Tool. These would be very helpful for you to remedy system sluggishness and crashes caused by disk fragmentation. If you are designer, developer,  office worker, manager, supervisor, student, home user, etc but we hope that these are worth checking for all of you. Most of them are not very well known but they are really amazing in respect to their features. Just take a look at them and share your thoughts here.

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UltraDefrag 4.0

UltraDefrag is a powerful disk defragmentation tool for Windows. It is the first open source defragmenter with full support of system locked files defragmentation. Actually all files including registry hives and paging file can be processed by UltraDefrag during the Windows boot process. UltraDefrag is fully compatible with Windows NT 4.0, Windows 2000, Windows XP, Windows Server 2003, Windows Vista, Windows Server 2008, Windows 7 and all of the 64-bit editions of Windows.

Auslogics Disk Defrag

Auslogics Disk Defrag was designed to remedy system sluggishness and crashes caused by disk fragmentation. It will help you get the maximum performance out of your expensive hardware investments. The new version can also consolidate free space and optimize system files placement. Disk Defrag is absolutely free for home users.

Defraggler

You can use Defraggler to defrag your entire hard drive, or individual files. This tool is unique in the industry. This compact and portable Windows application supports NTFS and FAT32 file systems.

PageDefrag

PageDefrag uses advanced techniques to provide you what commercial defragmenters cannot: the ability for you to see how fragmented your paging files and Registry hives are, and to defragment them. In addition, it defragments event log files and Windows 2000/XP hibernation files (where system memory is saved when you hibernate a laptop).

MyDefrag

MyDefrag is a disk defragmenter and optimizer (a maintenance utility to make your harddisk faster) for Windows 2000, 2003, XP, Vista, 2008, Win7, and for X64. It is freeware, no time limit, fully functional, no advertisements. Fast, low overhead, with many optimization strategies, can handle floppies, USB disks, memory sticks, and anything else that looks like a disk to Windows.

WinContig

WinContig is an easy-to-use stand-alone 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. In addition, WinContig allows you to group files into profiles, and also it accepts a number of optional command-line switches that you can use to control how the program operates.