CCleaner for Mac can clean junk files that are no longer used by the MacOS system to free up more hard disk space. Another primary function of CCleaner for Mac is to clear users' online records and browsing records and protect users' privacy. CCleaner for Mac is small in size and extremely fast in processing speed. Therefore, it can thoroughly clean up temporary folders, history records, wastebaskets, etc. Other functions include complete disk garbage scanning, application uninstallation, etc.