Windows NT 4.0, 2000, XP, Vista, 7, 8.x, 10, 11. Server 2003, 2008, 2012, 2016, 2019, 2022
Yes
Yes
Yes
Yes
Yes
Yes
27.0.8038 (September 12, 2023) [±]
PageDefrag
Microsoft
Freeware
FAT16, FAT32, NTFS
Windows 2000, XP
No
No
No
No
Yes
No
PerfectDisk
Raxco
Trialware
FAT16, FAT32, exFAT, NTFS, ReFS* and CSVFS[9]
Windows XP SP3 or higher (x86, x64), Windows 10, Windows Server 2003 SP1, Windows Server 2019[9]
Yes
Enterprise Console edition only
Yes
Yes
Yes
PerfectDisk 14 Build 894(May 2, 2019)[10]
UltimateDefrag
DiskTrix
Trialware[11]
FAT32, NTFS
Windows XP and later
Yes
Yes
Yes
Yes
6.1.2.0 (28 July 2021)
UltraDefrag
Dmitri Arkhangelski, Justin Dearing, Sayem Chaklader, Stefan Pendl
Commercial software (8.0+) / GNU GPL (7.1.x)
FAT12, FAT16, FAT32, NTFS, exFAT, ReFS[12]
Windows NT 4.0 and later
Yes
Yes
Yes[d][13]
Yes, with Windows Task Scheduler
Yes
Yes, with Windows Task Scheduler[a]
12.0.0 (March 30, 2024; 40 days ago (2024-03-30)) [±], Open source version discontinued[14]
Vopt
GoldenBow (or DataTuna)[15]
Discontinued (formerly freeware)
FAT32, NTFS
Windows 2000 and later
Yes
Yes
9.21.0001 (November 14, 2010 (2010-11-14)) [±]
Program
Developer
License
Supported file systems
Supported platforms
GUI
CLI
Script
Scheduler
Boot time
Auto defrag when idle
Stable release
^ abRussinovich, Mark (July 4, 2016). "Contig v1.8". Windows Sysinternals. Microsoft. Retrieved June 9, 2011.
^"Defraggler - Version History". Prirform. Retrieved July 21, 2015.
^"Scheduler". Piriform.com. Piriform. Retrieved December 13, 2013.
^Defraggler version history on piriform.com
^Dragan, Richard (May 4, 2005). "Defraggers". PC Magazine. Ziff Davis. Retrieved November 22, 2010.
^"DKService.exe: What is it? Discover Defrag Components & More". Condusiv Technologies. Retrieved July 25, 2012.
^"Group Policy Setup for Condusiv Technologies Products" (PDF). Condusiv Technologies. 2007. p. 1. Retrieved July 25, 2012.
^"New Boot-Time Defrag in Diskeeper (2008/2009)". Condusiv Technologies. February 3, 2009. Retrieved July 25, 2012.
^ ab"PerfectDisk System Requirements". Retrieved 2024-03-19.
^"Changelogs". Retrieved May 2, 2019.
^"Download UltimateDefrag Free Public Domain Edition". PCWorld. Retrieved April 9, 2013.
^"UltraDefrag - An Open Source Defragmenter". ultradefrag.sourceforge.net. Retrieved May 4, 2018.
^UltraDefrag documentation and UltraDefrag 5.0.4 handbook
^SourceForge comment citation
^which makes available Howard Barry Emerson's VOPT on their own site, at "The excellent VOPT defrag. Free license!".
Cite error: There are <ref group=lower-alpha> tags or {{efn}} templates on this page, but the references will not show without a {{reflist|group=lower-alpha}} template or {{notelist}} template (see the help page).
and 24 Related for: Comparison of defragmentation software information
The following is a comparisonof notable file system defragmentationsoftware: Windows Task Scheduler "Idle" schedules and options settings will be applied...
maintenance of file systems, defragmentation is a process that reduces the degree of fragmentation. It does this by physically organizing the contents of the...
Defraggler is a freemium defragmentation utility developed by Piriform Software, which can defragment individual files or groups of files on computer memory...
PerfectDisk is a defragmentationsoftware product for Windows developed by Raxco. The application keeps track of file usage to lessen defragmentation time and...
Diskeeper is a discontinued defragmentation app, designed for Microsoft Windows. It was developed by Executive Software International, Inc., which later...
performing the TRIM command on SSDs. Defragmentation File system fragmentation Comparisonofdefragmentationsoftware "How to make a computer faster: 6 ways...
to the desktop screen. List of defragmentation software Comparisonofdefragmentationsoftware "UltimateDefrag Freeware Edition". CNET. CBS Interactive...
inconsistencies will corrupt the filesystem. There is no online ext3 defragmentation tool that works on the filesystem level. There is an offline ext2 defragmenter...
deal with the event. This interruption is often temporary, allowing the software to resume normal activities after the interrupt handler finishes, although...
versions of Windows, including 64 bit Windows 7. Comparisonofdefragmentationsoftware File system fragmentation List ofdefragmentationsoftware "I use...
set of utilities for such purposes as may be necessary to administer the database effectively, including import, export, monitoring, defragmentation and...
lack of a VFS API for them. At present Reiser4 lacks a few standard file system features, such as an online repacker (similar to the defragmentation utilities...
special block of code associated with a specific interrupt condition. Interrupt handlers are initiated by hardware interrupts, software interrupt instructions...
areas, a process called defragmentation. Solid-state drives do not physically seek, so their non-sequential data access is hundreds of times faster than moving...
Forensic software engineering refers to the discipline of analyzing (and sometimes reconstructing) the functionality ofsoftware applications or services...
connection tracking subsystem requiring defragmentation, though TCP segmentation is not handled. In case of FTP, segmentation is deemed not to happen...
September 2020. Retrieved 31 July 2014. "Omtp Hardware Requirements And Defragmentation" (PDF). Gsma.org. Archived (PDF) from the original on 2018-12-14. Retrieved...
includes a quick scan for malware, disk defragmentation, power efficiency diagnostics Querying the status of Backup and Restore and prompting the user...
comparable to defragmentationof hard drives, where storing a file in multiple fragments requires additional physical and relatively slow, movement of a drive...
VERITAS Software. Through an OEM agreement, VxFS is used as the primary filesystem of the HP-UX operating system. With on-line defragmentation and resize...
capabilities of the drive-to-host interface. Transfer rate can be influenced by file system fragmentation and the layout of the files. Defragmentation is a procedure...
in a given situation, and defragmentationsoftware may use a more evolved heuristic. In some scenarios where the majority of files are shorter than half...
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