Defrag Individual Files. Most defragmentation tools only let you defrag the whole drive. Defraggler gives you the power to select individual files and folders to defrag. So you can get the job done in seconds, rather than waiting for the whole drive to complete. Of course if you want to defrag the whole drive Defraggler will let you do that too. Locate Files on the Drive. After analysis Defraggler lists all the fragmented files on the drive. Selecting one or many will highlight their location on the disk. Allowing you to visually see the location of files on the disk.