JKDefrag by Jeroene Kessels has been created to help you keep your hard disk ordered and defragmented, in order to optimize and improve your system performance. The application allows you to scan your registry searching for fragmented files and consequently proceeding to relocate those files onto contiguous memory blocks. A very remarkable feature is that this program can do all the scanning in the background. Therefore you won't notice the program is working.
You can customize the way the program performs the defragmentation process, but you can only do this through the command line. The program has another two features. Firstly, it can be run inside a MSDOS window. Secondly, it can be set up to work as a screensaver. This means that it only work when your PC is idle.
The program is available in different languages; however, you have to download different versions of the program for each language. JKDefrag is available in English, French, German, Spanish and Chinese (thanks to contributors).
The only drawback is that the interface is very poor and old fashioned.
This program is distributed as freeware. Of course, it doesn't have as many tools as other industry leading utilities, but it makes a really good job.
It is compatible with Windows 2000/2003/XP/Vista/2008 (including 64 bits versions).
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