Piriform Software Ltd is a British software company based in London, owned since 2017 by Avast which itself become part of NortonLifeLock (now Gen Digital) in 2022. The company develops cleaning and optimisation tools for Microsoft Windows, macOS and Android operating systems, including CCleaner, CCleaner Browser, Defraggler, Recuva and Speccy. On 22 September 2015, Piriform launched CCleaner Cloud, a tool to maintain computers remotely. The name Piriform means "shaped like a pear," possibly referring to the British slang "to go pear-shaped". More information...
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