WinUtilities Free Disk Defragmenter is a Windows defragmenter software. This disk deframenter can defragment disk more efficiently and reliably. WinUtilities Free Disk Defragmenter user-friendly interface makes our defragmenter do easy and fast defragmentation. Defragmenter will accelerate the launch time of programs, improve the file access speed. You can get detailed reports for every defragmenting analyze and defragmentation action.