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.

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 ...

Piriform CCleaner is a powerful system utility suite loaded with features, but it may not be the best choice for low-end systems. Why you can trust TechRadar We spend hours testing every product or ...

Software company Piriform may not be a household name, but the company has been offering a handful of popular, powerful, and free apps for Windows computers for years. Piriform is the developer behind ...

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 ...

A fragmented hard drive is a slow hard drive. If you want your system to run at peak performance, you should run a "defragger" from time to time. Defraggler is a free defragmentation utility that ...