Auslogics Disk Defrag is a free and extremely fast disk defragmenter that will speed up your computer by optimizing file system.
Disk Defrag places system files to the faster part of the disk, minimizing the time needed for the hard drive to access them, merges scattered pieces of free space into a contiguous block, preventing fragmentation of newly created files. It can save your time by defragmenting only necessary files, instead of defragmenting an entire hard drive. You can set option, which allows to start defragmentation automatically when computer has been idle for 15 minutes. Disk Defrag shows you the list of all fragmented files and their clusters location on the disk after performing disk analysis. Also, it minimizes growth of the VSS storage area and reduces the chance of overwriting previous VSS snapshots.