Piriform

Infobox company | name = Piriform | logo = | type = 有限公司 | genre = | foundation = 英國倫敦 | founder = | location_city = | location_country = | location = | locations = | area_served = | key_people = | industry = 計算機軟件 | products = CCleanerRecuvaDefragglerSpeccy | services = | revenue = | operating_income = | net_income = | owner = | num_employees = | parent = | divisions = | subsid = | caption = The best software ... is free! | homepage = Piriform （ 梨形之意 ） 是2004年在英國建立的一家軟體公司 ， 專長於Windows系統維護軟體的開發 。 2017年7月 ， 被捷克的資安軟體廠商Avast併購 ， 成爲Avast旗下公司 。