Piriform's Defraggler defragments hard drives or individual folders and files and monitors the health and performance of your disc drives and SSDs. Compact and fully portable, Defraggler has an ...

Want to keep your system running smoothly? The more fragmented your hard drive becomes, the harder–and slower–it works. And over time, a hard drive can be mighty fragmented indeed. Piriform’s ...

Defraggler comes from the same stable that has given us free software of the pedigree of CCleaner, software publishers Piriform. Defraggler is an easy-to-use, small (4MB) and portable utility that is ...

Avast, today's largest vendor of security software, has acquired Piriform, a UK-based company that is behind many successful desktop and mobile apps, such as CCleaner, Recuva, Speccy, and Defraggler.