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This package was approved as a trusted package on 5/30/2019.

Use Defraggler to defrag your entire hard drive, or individual files. This compact and portable Windows application supports NTFS and FAT32 file systems.

  • Defragment exactly what you want
  • Safe and Secure
  • Compact and portable
  • Interactive drive map
  • Quick Defrag
  • Defragment free space
  • Scheduled defragmentation
  • No matter what your native tongue is, Defraggler speaks your language. It currently supports 43 languages.

Package Parameters

  • /UseSystemLocale - use system locale for the interface, by default English locale is set.

Example: choco install defraggler --params "/UseSystemLocale"

To install Defraggler, run the following command from the command line or from PowerShell:

C:\> choco install defraggler

To upgrade Defraggler, run the following command from the command line or from PowerShell:

C:\> choco upgrade defraggler


  • tools\chocolateyInstall.ps1 Show
    $ErrorActionPreference = 'Stop'
    # This adds a registry keys which prevent Google Chrome from getting installed together with Piriform software products.
    $regDirChrome = 'HKLM:\SOFTWARE\Google\No Chrome Offer Until'
    $regDirToolbar = 'HKLM:\SOFTWARE\Google\No Toolbar Offer Until'
    if (Get-OSArchitectureWidth 64) {
      $regDirChrome = $regDirChrome -replace 'SOFTWARE', 'SOFTWARE\Wow6432Node'
      $regDirToolbar = $regDirChrome -replace 'SOFTWARE', 'SOFTWARE\Wow6432Node'
    & {
      New-Item $regDirChrome -ItemType directory -Force
      New-ItemProperty -Name "Piriform Ltd" -Path $regDirChrome -PropertyType DWORD -Value 20991231 -Force
      New-Item $regDirToolbar -ItemType directory -Force
      New-ItemProperty -Name "Piriform Ltd" -Path $regDirToolbar -PropertyType DWORD -Value 20991231 -Force
    } | Out-Null
    if ($Env:ChocolateyPackageParameters -match '/UseSystemLocale') {
      Write-Host "Using system locale"
      $locale = "/L=" + (Get-Culture).LCID
    $packageArgs = @{
      packageName    = $env:ChocolateyPackageName
      fileType       = 'EXE'
      url            = ''
      checksum       = 'b53eb82d6a46c812171ca878b7342e1939a0afecc277b0b57c708eef8fc700de'
      checksumType   = 'sha256'
      silentArgs     = "/S $locale"
      validExitCodes = @(0)
    Install-ChocolateyPackage @packageArgs

Virus Scan Results

In cases where actual malware is found, the packages are subject to removal. Software sometimes has false positives. Moderators do not necessarily validate the safety of the underlying software, only that a package retrieves software from the official distribution point and/or validate embedded software against official distribution point (where distribution rights allow redistribution).

Chocolatey Pro provides runtime protection from possible malware.


This package has no dependencies.

Package Maintainer(s)

Software Author(s)

  • Piriform


Release Notes

Version History

Version Downloads Last updated Status
Defraggler 2.22.995 6855 Wednesday, May 23, 2018 approved
Defraggler 2.21.993 33911 Wednesday, March 16, 2016 approved
Defraggler 2.20.989 2970 Tuesday, January 19, 2016 approved
Defraggler 2.19.982 8710 Wednesday, March 11, 2015 approved
Defraggler 2.18.945 4610 Wednesday, April 16, 2014  
Defraggler 2.17.898 961 Thursday, February 6, 2014  
Defraggler 2.16.809.20140102 625 Thursday, January 2, 2014  
Defraggler 2.16.809 698 Wednesday, October 23, 2013  
Defraggler 2.15.742 618 Tuesday, August 27, 2013  
Show More

Discussion for the Defraggler Package

Ground rules:

  • This discussion is only about Defraggler and the Defraggler package. If you have feedback for Chocolatey, please contact the google group.
  • This discussion will carry over multiple versions. If you have a comment about a particular version, please note that in your comments.
  • The maintainers of this Chocolatey Package will be notified about new comments that are posted to this Disqus thread, however, it is NOT a guarantee that you will get a response. If you do not hear back from the maintainers after posting a message below, please follow up by using the link on the left side of this page or follow this link to contact maintainers. If you still hear nothing back, please follow the package triage process.
  • Tell us what you love about the package or Defraggler, or tell us what needs improvement.
  • Share your experiences with the package, or extra configuration or gotchas that you've found.
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