CleanHow to free up space on Mac (simple guide)
"System Data" takes 60 GB and you have no idea what it is. We explain in plain words what's in there, what you can delete today and what's better left alone.
How to free up space on your Mac: the complete guide (2026)
Step by step to reclaim tens of GB on your Mac without deleting anything important: what to check first, what's safe, and what to never touch.
What is "System Data" on Mac and how do you shrink it?
Why "System Data" (formerly "Other") takes so much space on your Mac, what's inside it and what you can safely delete.
How to safely clear the cache on your Mac
What your Mac's cache is, how much space it takes and how to clear it without breaking anything. Steps for Finder and Terminal.
Apps you deleted are still taking up space on your Mac
Why uninstalling an app on Mac doesn't delete its data, where the leftovers hide and how to find them.
Why deleting iCloud files doesn't free up space (and can delete them everywhere)
iCloud files that aren't downloaded take 0 bytes on your drive. Deleting them frees nothing and removes them from all your devices.
The app for everyone
Scans your Mac, recognizes the tools you use and explains what's safe to delete. Join the list and we'll let you know when it's ready.