A powerful defragmentation tool for Windows Swift Disk Defrag is powerful, smart and reliable defragmentation tool for Windows. It's engine is very fast, because it is created as kernel-mode driver. Key features: · very fast defragmentation, because engine is kernel mode driver and has optimal algorithm. · very small engine written in pure C language. · nice graphical interface - compact and comfortable. · safety, because file moving is realized with special system calls. · simple to use. · generate html reports. · has useful filters. · has task scheduler.