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ULTRADEFRAG

An Open Source Defragmenter

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The term UltraDefrag is a shorthand for the Ultra Defragmenter and holds no connection with potential owners of registered trademarks or other rights. All trademarks, brands, and names are the property of their respective owners.

UltraDefrag is a powerful Open Source Defragmentation tool for the Windows Platform. It can defragment any system files including registry hives and paging file. Also one of the main goals of UltraDefrag is doing the job as fast and reliable as possible.
Available Interfaces  |   Features  |   System Requirements  |   Translation

NEWS

UltraDefrag 7.0.0 beta2 has been finally released [2014-10-19]

We'd like to thank all the people who supported the project by translations, bug reports and donations.

This release features a bunch of updated translations. Check 'em out and if you'll find something incorrect there you're welcome to fix it. Visit UltraDefrag project at Transifex for details.

If you will encounter an application crash please scan your computer by antivirus software to ensure that nothing is infected by malicious code. If it isn't please send us a bug report and give us some hint on how to reproduce the crash.

As soon as we'll find something out, we'll make a new release with crash issues fixed. If you wish to support us on the way of investigation consider to donate us something.

The Change Log contains the full list of changes.

Download the development release.

 

UltraDefrag 6.0.3 has been released [2014-10-19]

This minor update includes the most recent v6 translations.

It's intended to be the last one for Windows NT 4 and Windows 2000 operating systems.

The Change Log contains the full list of changes.

Download the stable release.

 

Posted on 2014-10-19

AVAILABLE INTERFACES

 

FEATURES

Driver:

  • Currently FAT, exFAT and NTFS are supported. (enhanced in 6.0.0)
  • Defragmentation of files and folders including system files and file system meta files. (enhanced in 5.1.0)
  • Full optimization of the drive, which processes all files despite of their fragmentation. (enhanced in 6.0.0)
  • Quick optimization of the drive, which mainly processes fragmented files. (enhanced in 6.0.0)
  • MFT optimization, which processes the MFT only. (enhanced in 5.0.1)
  • Filtering of files to process by name, fragment count and size and file size. (enhanced in 6.0.0)
  • Drive processing can be interrupted automatically after a defined amount of time.
  • User defined log file creation, which highly simplifies reporting bugs. (enhanced in 5.0.6)
  • Drives needed to be checked by CHKDSK are excluded. (enhanced in 5.0.5)
  • Read more...

Graphical User Interface:

  • Graphical display of the drives cluster map. (enhanced in 5.0.7)
  • Modern design with menus and tool bar. (enhanced in 5.0.3)
  • The current progress and all important information are displayed in the drives list. (enhanced in 5.1.0)
  • A final action can be specified to be executed after processing the drives. (new in 5.0.0)
  • Color coding of the usage of the cluster map. (enhanced in 5.0.7)
  • Localization can be done by the user or by one of the 63 included language packages. (enhanced in 5.1.0)
  • The window can be minimized to the system tray. (new in 6.0.0)
  • The progress can be displayed on the task bar icon under Windows 7® and above. (new in 6.0.0)
  • Read more...

Command Line Tool:

  • Useful for automation through scheduled tasks or batch scripts.
  • Integrated into Explorer's context menu. (enhanced in 6.0.2)
  • Specify options through command line arguments or environment variables. (enhanced in 5.0.0)
  • On demand, display of the graphical cluster map.
  • Read more...

Boot Time Interface:

  • Useful to process locked system files. (enhanced in 5.0.0)
  • An interactive mode is available too. (enhanced in 5.0.0)
  • Read more...

Reports:

  • Available as plain text and HTML page. (enhanced in 5.0.3)
  • Includes all information about the fragmented files. (enhanced in 5.0.4)
  • Read more...

Installer:

  • Two configurations are available, full and without GUI. (enhanced in 5.0.0)
  • All features can be configured through command line arguments. (new in 5.0.0)
  • Selections of previous installations are retained. (enhanced in 5.0.3)
  • Destination folder can be specified. (enhanced in 5.1.1)
  • Log file creation on failure of silent installation. (new in 5.1.0)
  • Read more...

 

SYSTEM REQUIREMENTS

Desktop PC: Windows NT 4.0, 2000, XP, Vista, 7, 8

Server: Windows NT 4.0, 2000, 2003, 2008, 2008 R2, 2012

32-bit, 64-bit and Itanium Editions

 

TRANSLATION

Translate UltraDefrag to your native language!

You may participate in UltraDefrag translation by submitting a new translation or modifying an existing one. Visit UltraDefrag project at Transifex for details.

You are welcome! Your help will be much appreciated!