CCleaner

CCleaner
Developer(s)Piriform Software
Initial release23 September 2003 (2003-09-23)
Stable release(s) [±]
Windows6.36.11508 / 28 May 2025 (2025-05-28)
macOS2.09.187 / 19 October 2023 (2023-10-19)
Android25.08.0 / 2 May 2025 (2025-05-02)
Written inC++
Operating systemWindows 7 and later,
macOS Sierra and later,
Android Oreo and later
PlatformIA-32 and x64
Available in58 languages
List of languages
Albanian, Arabic, Armenian, Azeri (Latin), Belarusian, Bosnian, Brazilian Portuguese (Portugues do Brasil), Bulgarian, Burmese, Catalan (Catala), Chinese (Simplified), Chinese (Traditional), Corsican, Croatian (Hrvatski), Czech (Ceský), Danish, Dutch (Nederlands), English, Estonian (Eesti keel), Farsi, Finnish (Suomi), French (Français), Galician, Georgian, German (Deutsch), Greek, Hebrew, Hindi, Hungarian (Magyar), Indonesian, Italian (Italiano), Japanese, Kazakh, Korean, Kurdish, Latvian, Lithuanian (Lietuviu), Macedonian, Malaysian, Marathi, Mongolian, Norwegian, Polish (Polski), Portuguese (Portugues), Romanian (Romana), Russian, Serbian (Cyrillic), Serbian (Latin), Slovak, Slovenian, Spanish (Espanol), Swedish (Svenska), Tatar, Thai, Turkish (Türkçe), Turkmen, Ukrainian, Vietnamese.
TypeUtility software
LicenseFreemium for home use; commercial for use in organisations and institutions
Websitewww.ccleaner.com

CCleaner (/ˈsˌklnər/; originally meaning "Crap Cleaner"), developed by Piriform Software, is a utility used to clean potentially unwanted files and invalid Windows Registry entries from a computer. It is one of the longest-established system cleaners, first launched in 2004. It was originally developed for Microsoft Windows only, but in 2012, a macOS version was released. An Android version was released in 2014.