Disk SpeedUp - Version 5.0.1.52 Disk SpeedUp is a totally free and extremely fast defragmentation tool developed by Glarysoft to analyze, defrag and optimize disks or a single file/folder for peak computer performance. Disk SpeedUp can analyze all fragments on drives and show how fragmented the drives are before you defrag. You can get an intuitive view of drive fragmentation through the drive map if you choose analyze selected and also get a new view of the defragged disk analysis result after a successful defrag. How could Disk SpeedUp defrag and optimize drives? Disk SpeedUp detects all the fragments in seconds and rearranges files stored on a disk to occupy contiguous storage locations, intelligently reorganizes most fragmentation for the purpose of speeding up access speed, quickening applications launch, increasing search speed, shortening system startup times and enhancing overall system performance.