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We've compiled a list of 25 free and paid alternatives to UltraDefrag. The primary competitors include Defraggler, Auslogics Disk Defrag. In addition to these, users also draw comparisons between UltraDefrag and MyDefrag, IObit Smart Defrag, PerfectDisk. Also you can look at other similar options here: OS and Utilities.


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PerfectDisk is a disk defragmenter with a variety of advanced disk management features.

O&O Defrag
Free Trial One Time License

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Condusiv's Diskeeper 16 is designed to be an active defragmenter that defrags while idle, but...

WinContig is an easy-to-use stand-alone defragmentation tool that doesn't create any...

UltraDefrag is a disk defragmenter for Windows.

UltraDefrag Platforms

tick-square Windows

UltraDefrag Video and Screenshots

UltraDefrag Overview

UltraDefrag is powerful and fast defragmentation tool for Windows. There are three interfaces to them: graphical, console and native. The GUI is useful, because it represents your filesystem visually as a color-coded cluster map. The console is another option for those that prefer the command line. It allows you to run UltraDefrag from the task scheduler and scripts. Finally, the native executable will run at boot time in a manner similar to chkdsk. The design of UltraDefrag is very simple. There are no skins and other unnecessary stuff. It is a small and powerful program!

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.

UltraDefrag has the following features:

- automatic defragmentation.
- fast and efficient defragmentation algorithms.
- safe environment preventing files corruption.
- detailed file fragmentation reports.
- defragmentation of individual files/folders.
- defragmentation of locked system files.
- defragmentation of NTFS metafiles (including MFT) and streams.
- exclusion of files by path, size and number of fragments.
- fully configurable disk optimization.
- drive processing time limit.
- defragmentation of disks having the specified fragmentation level.
- automatic hibernation or shutdown after the job completion.
- multilingual graphical interface (over 60 languages available).
- one click defragmentation via Windows Explorer's context menu.
- powerful command line interface.
- easy to use portable edition.
- full support of 64-bit editions of Windows.

UltraDefrag Features

tick-square Minimalistic
tick-square Multiple languages
tick-square Windows Explorer integration
tick-square Portable
tick-square Lightweight

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UltraDefrag Categories

OS and Utilities

UltraDefrag Tags

boot-time defragmentation

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