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Everything about JkDefrag

Computer program

JkDefrag is a free open-source disk defragmenting utility computer program for Windows. It was developed by Jeroen Kessels beginning in 2004 and was released under the GNU General Public License. Since version 4 of 2008, much changed from previous versions, JkDefrag was renamed MyDefrag by its developer; earlier JkDefrag versions continued to be available. MyDefrag, which was closed source freeware, was discontinued, with the last version being v4.3.1, file date 21 May 2010; for several years the MyDefrag website has been a redirect to the still-existing JkDefrag site, but links to downloadable JKdefrag files are dead. As of 2026 JkDefrag 3.36 source code remained available from third-party websites Wikipedia →

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  3. Go sideways: O&O DefragA closely related topic
  4. Go sideways: Microsoft Drive OptimizerA closely related topic

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