Piriform News

Defraggler v2.21

The Piriform team are delighted to announce the latest release of Defraggler for Windows.

Defraggler v2.21 provides optimized Analysis and Defrag performance in addition to improved memory usage. A list of changes can be found in the change log below.

Change log:

  • Improved Analysis and Defrag performance
  • Improved memory usage and management architecture
  • Optimized 64-bit builds on Windows 8 and 10
  • Improved update checking process
  • Updated exception handling and reporting
  • Improved localization and language support
  • Minor GUI improvements
  • Minor bug fixes


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You can download our free version here.
Fancy a few more features? Get the Professional version here.
If you are already a Defraggler Pro user your installation will update automatically.

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Defraggler v2.20

The Piriform team are delighted to announce the latest release of Defraggler for Windows.

Defraggler v2.20 adds improved optimization for Solid State Drives (SSDs) as well as many other compatibility and bug fixes. A list of changes can be found in the change log below. 

If you find any new issues, please let us know by visiting our forum at forum.piriform.com.

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Change log:

  • Improved SSD Optimize and Quick Optimize
  • Improved Windows 10 support
  • Optimized moving files or folders to end of drive
  • Updated crash reporting architecture
  • Optimized remaining time and benchmark calculations
  • Minor GUI improvements
  • Minor bug fixes

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Defraggler v2.19

Defraggler v2.19 has been released! Now you'll be able to select the files or folders you want Defraggler to always move to the end of your drive. We've also added a new scriptable parameter for checking your drive for errors.

On top of this we've improved SSD Optimizing and the Quick Optimize function for a faster Defrag!

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Release notes:

  • Added move Files or Folders to end of drive
  • Improved SSD Optimize and Quick Optimize
  • Added new scriptable /CHECKERRORS parameter to check drive for errors
  • Added option to disable auto Benchmark after Defrag
  • Improved localization support
  • Minor GUI improvements
  • Minor bug fixes

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Defraggler v2.18

Defraggler v2.18 is ready to download! You'll now find a disk performance graph under the Statistics tab, so you can quickly see how fast your drives are running. We've also added a Quick Optimize option for SSD drives, the ability to jump between drives when an operation is in progress, as well as several performance improvements.

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Release notes:

  • Added Disk Performance graphs to Statistics tab
  • Added Quick Optimize for SSD
  • Added ability to view information for different drives when an operation is in progress
  • Improved Health tab loading speed
  • Added new scriptable /UPDATE parameter for background updates (Defraggler Professional only)
  • Improved detection of files without extensions in File list tab
  • Minor GUI improvements
  • Minor bug fixes

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Defraggler v2.17

Defraggler v2.17 has been released! This release sees some exciting additions to help you manage your Defrags. We’ve added a new Statistics tab which provides an overview of your Defrag history, including number of files defragged and last executed defrag.

Alongside this, we’ve added support for a host of new SSD drives and you’ll now see Defrag progress information in the tray tooltip, allowing you to keep an eye on your Analysis and Defrag.

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Release notes:

  • Added New Statistics tab
  • Added Intel, Plextor, Micron and OCZ SSD optimization
  • Added progress information to tray tooltip
  • Improved time remaining calculation
  • Enhanced Freespace Defrag procedure
  • Improved memory usage
  • Optimized benchmarking algorithm
  • Added Indonesian translation
  • Minor GUI improvements and bug fixes

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