It deletes only those files that are 100% safe for removal. The Storage pane of About This Mac is the best way to determine the amount of storage space available on your Mac. Click the little folder icon to open the specific folder which will be cleaned. Try it out and you will be pleasantly surprised. There are paid plans for 1, 2, and 5 Macs.
This Mac Cleaner helps me to erase much cache and junk files and lets my iMac get faster than before.
Clean Me can be installed like any other macOS app file: Download it here Unzip the file Copy the unzipped file (Clean me.app) to you Applications directory on your MacBook(Only the first time) In the Applications directory, right-click the file and chose open Now you can access Clean Me like any other macOS app on your system Best Mac cleaner: Favorite cleaning and optimization tools. One heavy hitter in the clean-sweep stakes is CleanMyMac X by MacPaw (£34.95/$39.95 but currently discounted to £29.95). I wrote this app just for fast analysing purposes. Again, if you do not provide the password, it will skip those files. Quirky sound effects and glossy icons included. DMG package in Downloads to install the app.