MyDefrag (formerly known as JkDefrag) is a free disk defragment and optimization tool, based on the Microsoft standard disk defragment API, which can thoroughly defrag the hard disk, has a good compatibility and does not damage data, full-automatic and very easy to use.
MyDefrag supports USB disk, memory card and other external storage equipments, with a fast speed and low system resource cost, has many kinds of optimization strategy, including a friendly end-user script, a script engine which is suitable for advanced users, a screensaver, and a command line version, besides, we can also combine it with the Windows Task Scheduler or administrator scripts.
BTW, MyDefragGUI is the graphical user interface for comfortable handling for this program.
Download URLs
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