Comparison of defragmentation software


The following is a comparison of notable file system defragmentation software:
ProgramDeveloperLicenseSupported file systemsSupported platformsGUICLIScriptSchedulerBoot timeAuto defrag when idleStable release
Auslogics Disk DefragAuslogicsFAT16, FAT32, NTFSWindows XP and later
AVG PC TuneUpAVG Technologies2015
ContigMicrosoftNTFSWindows XP and later;
Windows Server 2003 and later		1.8
DefragglerPiriformFAT32, NTFS, exFAT, ReFSWindows XP and later
Drive Optimizer MicrosoftFAT16, FAT32, NTFS, ReFSWindows 2000 and later;
Windows 95 and later		Same as Windows
DiskeeperCondusiv TechnologiesFAT16, FAT32, NTFSWindows XP and later
JkDefragJeroen KesselsFAT & NTFSWindows 2000, Windows XP, Windows Vista3.36.0.2 / August 31, 2008
O&O DefragO&O SoftwareFAT16, FAT32, NTFS, exFAT, ReFSWindows NT 4.0, 2000, XP, Vista, 7, 8.x, 10, 11. Server 2003, 2008, 2012, 2016, 2019, 2022
PageDefragMicrosoftFAT16, FAT32, NTFSWindows 2000, XP
PerfectDiskRaxcoFAT16, FAT32, exFAT, NTFS, ReFS* and CSVFSWindows XP SP3 or higher, Windows 10, Windows Server 2003 SP1, Windows Server 2019PerfectDisk 14 Build 900
UltimateDefragDiskTrixFAT32, NTFSWindows XP and later6.1.2.0
UltraDefragDmitri Arkhangelski, Justin Dearing, Sayem Chaklader, Stefan Pendl / GNU GPL FAT12, FAT16, FAT32, NTFS, exFAT, ReFSWindows NT 4.0 and later, Open source version discontinued
VoptGoldenBow FAT32, NTFSWindows 2000 and later
ProgramDeveloperLicenseSupported file systemsSupported platformsGUICLIScriptSchedulerBoot timeAuto defrag when idleStable release