Defraggler is a free file defragmentation tool from Piriform, the company that brought you CCleaner and Recuva. It differs from other defrag tools on the market, by enabling you to quickly and simply defrag the files you want to, without having to process the whole drive. Simply run it, select the file and defragment in seconds. No more struggling with the Windows defragmentation tool! Use Defraggler to defrag your entire hard drive, or individual files – unique in the industry. Defraggler is safe and secure. When Defraggler reads or writes a file, it uses the exact same techniques that Windows uses. Using Defraggler is just as safe for your files as using Windows. This compact and portable Windows application supports NTFS and FAT32 file systems.