Mac storage guides

How to free up space on a Mac without guessing: what each kind of file is, where it lives, and what's safe to remove.

How to clear System Data on a MacWhat “System Data” in Storage settings is, and how to shrink it safely.
How to clear cache on a Mac safelyWhich caches are safe to clear, where they live, and what to leave alone.
How to completely uninstall apps on a MacRemove an app and the files it leaves in your Library folder.
Free up space on a developer MacXcode DerivedData, simulators, device support files and package manager caches.
Mac storage almost full? What to do, in orderThe quickest ways to get space back, from the biggest wins down.
How to find large files on a MacThree ways to find what's taking up space: Storage settings, Finder and a disk map.