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Defraggler icon.png
Defraggler defragmenting in Windows 8
Defraggler defragmenting in Windows 8
Initial release18 August 2008; 12 years ago (2008-08-18)[1]
Stable release2.22.995 [2] (May 22, 2018 (2018-05-22)) [±]
Operating systemWindows 10, 8.1, 7, Vista and XP. Including both 32-bit and 64-bit versions, but not RT tablet editions.
PlatformIA-32 and x64
Size4.3 MB
Available in37 languages[3]
List of languages
English, Albanian, Arabic, Armenian, Bosnian, Brazilian Portuguese (Portugues do Brasil), Bulgarian, Catalan (Catala), Chinese (Simplified), Chinese (Traditional), Croatian, Czech (Ceský), Danish, Dutch (Nederlands), Estonian, Finnish (Suomi), French (Français), Georgian, German (Deutsch), Greek, Hebrew, Hungarian (Magyar), Italian (Italiano), Japanese, Lithuanian (Lietuviu), Norwegian, Persian, Polish (Polski), Portuguese (Portugues), Romanian (Romana), Russian, Slovak, Spanish (Español), Swedish (Svenska), Turkish (Türkçe), Ukrainian, Vietnamese
TypeDefragmentation software

Defraggler is a freemium defragmentation utility developed by Piriform, which can defragment individual files or groups of files on computer system. Defraggler runs on Microsoft Windows; it has support for all versions since Windows XP. It includes support for both IA-32 and x64 versions of these operating systems.[1]


Defraggler can defragment individual files, groups of files (in a folder) or an entire disk partition, either by the user's command or automatically on a schedule. It supports FAT32, NTFS, and exFAT.[4] It can also be installed as a portable application on a USB flash drive. Defragmentation of RAID disks is also supported, although no details are supplied.[5]

Defraggler was given a 5/5 star rating from Softpedia.[6] In Lifehacker's Hive Five for Best Disk Defragmenter, Defraggler received first place.[7]

See also[edit]


  1. ^ a b "Download Defraggler". FileHippo. Retrieved 23 June 2009.[permanent dead link]
  2. ^ Defraggler version history on
  3. ^ "Multi-lingual support". Defraggler - Features. Piriform. Retrieved 1 July 2011.
  4. ^ "System requirements". Defraggler documentation. Piriform. Retrieved 22 July 2011.
  5. ^ "What it can and can't do".
  6. ^ Olariu, Daniela (August 6, 2008). "Piriform Defraggler - Keeping Those Drives Spinning". Softpedia. SoftNews NET SRL. Retrieved June 5, 2011.
  7. ^ Fitzpatrick, Jason (September 1, 2009). "Best Disk Defragmenter: Defraggler". Life Hacker. Gawker Media. Retrieved May 11, 2010.

External links[edit]