List of defragmentation software
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The following is a list of notable defragmentation software.
Comparison
| Program | Author | License | Supported file systems | Supported platforms | Last version |
|---|---|---|---|---|---|
| Contig | Sysinternals / Microsoft | Freeware | NTFS | Microsoft Windows XP or higher | v1.55 (September 30, 2008) |
| Defraggler | Piriform | Freeware | FAT32, NTFS, exFAT | Microsoft Windows 2000, XP, Server 2003, Vista, Server 2008, Windows 7 (including 64-bit versions) | v2.21.209 (August 02, 2010) |
| Auslogics Disk Defrag [citation needed] |
Auslogics | Freeware | FAT 16, FAT32, NTFS | Microsoft Windows XP SP2 and later, Vista, Server 2008, Windows 7 (including 64 bit versions) | v3.1.8.155 (September 06, 2010) |
| Diskeeper | Diskeeper Corporation | Commercial | FAT16, FAT32, NTFS | Microsoft Windows XP or higher | 2010 (November 18, 2009) |
| MyDefrag | Jeroen C Kessels | Freeware | FAT16, FAT32, NTFS | Microsoft Windows 2000, XP, Server 2003, Vista, Server 2008, Windows 7 (including 64 bit versions) | v4.3.1 (May 21, 2010) |
| O&O Defrag | O&O Software | Commercial | FAT16, FAT32, NTFS | Microsoft Windows 2000, XP, Server 2003, Vista, Server 2008, Windows 7 (including 64 bit versions) | v12.5 (June 1, 2010) |
| PerfectDisk | Raxco Software | Commercial | FAT16, FAT32, NTFS | Microsoft Windows 2000, XP, Server 2003, Vista, Server 2008, Windows 7 (including 64 bit versions) | v11 (March 9, 2010) |
| UltraDefrag | Dmitri Arkhangelski, Justin Dearing, Stefan Pendl | GPL | FAT12/16/32, NTFS, UDF | Windows NT 4.0, Windows 2000, Windows XP, Server 2003, Vista, Server 2008, Windows 7 (including 64 bit versions) | v4.3.0 (May 2010) |
| UltimateDefrag | Disktrix | Commercial | NTFS | Microsoft Windows 2000, XP, Server 2003, Vista, Server 2008, Windows 7 (including 64 bit versions) | v3.0.100.15 (17 August 2010) |
| Vopt | GoldenBow | Commercial | FAT32, NTFS | Microsoft Windows 2000, XP, Server 2003, Vista, Server 2008, Windows 7 (including 64 bit versions) | v9.21 (August 25, 2009) |
| Program | Author | License | Supported file systems | Supported platforms | Last version |
Other
This is a list of other defragmentation software that does not appear in the comparison table above.
Commercial
- Ashampoo Magical Defrag, by Ashampoo GmbH & Co. KG
- Windows Disk Defragmenter, by Diskeeper Corporation / Microsoft (included in most versions of Microsoft Windows)
- Norton SpeedDisk (a component of the Norton Utilities bundle), by Symantec Corporation, for DOS/Microsoft Windows
- Norton SystemWorks (Speed-Disk) by Symantec, for HFS (Mac OS X) and HFS plus.
Freeware
- Diskeeper Lite, by Diskeeper Corporation
- DiskTune, by DIY DataRecovery
- PageDefrag, by Sysinternals/Microsoft, for Windows NT/XP
- Quicksys Disk Defrag by Quicksys
- Smart Defrag by IObit
- Wincontig, by mdtzone
Open source
- JkDefrag, by Jeroen Kessels