Defraggler Portable is a utility designed for defragmentation, which speeds up the system operation. Its peculiarity and the greatest advantage is that it can work not only with the local disk, but also with its individual parts, folders and files, which you just need to specify and defragmentation will begin automatically. Before defragmentation starts, Defraggler Portable analyzes the file or disk you have selected and prepares its map. Another advantage is that it does not require installation and can work from any removable storage medium.