Back in February 2008, I wrote about what disk fragmenting was.  A reader then followed up with

“Well, what are my choices for a Windows disk defragmenter?”

Here is a list of some of the choices out there, if you don’t want to use the built-in Windows defragger.


Name Recommended Reviewed Comment
Auslogics Disk Defrag Yes 20 May 2009
Defraggler Yes 11 March 2010
JkDefrag Yes A graphic front-end is available (JGDefragGUI)
Smart Defrag

Not free

Name Recommended Reviewed Comment
Diskeeper Yes No Been around for years.  I first used it with Windows NT 4.
DiskTrix UltimateDefrag
O&O Defrag Pro 11
PerfectDisk Yes 8 February 2008 I have used this on work computers, and I’m very happy with it.
Puran Defrag
Vopt Yes Very popular with the folks over at Whirlpool.