MaCleaner 4 is a powerful set of tools intended to improve the overall performance of your Mac. It comes with system optimization features that let you protect chat and browser histories as well as online and offline activities, to monitor the disk, the CPU, the RAM memory, and the battery; to clean files selectively, and get rid of useless files like duplicates, unnecessary backups, app uninstalling traces, and clean installation packages (.png, .dmg, .ipa, etc).