JkDefrag is a free defrag tool that puts the built in Windows one to shame. JkDefrag has options such as mutiple levels of defrag (fast defrag, slow defrag, analyze only, sort files by name etc..), including and excluding files, scheduling, shutdown PC when defrag is finished and defrag system files at boot-time. Another nifty feature is that it has a screensaver option that activates the defrag process when your computer is idle and visualizes the defrag process. Best of all it has the ability to skip any files current in use, unlike Windows which will restart the whole process if it hits a file in use. This one is a must have in any computer technicians kit.
Download from Official Site – 1.72mb