See where your Mac's space went.
Including the grey “System Data” macOS never explains. Then clear what's safe.
Pay once. 2 Macs. Every update included.
Diskzy
Disks
Macintosh HD
804.95 GB free
Places
Home
Downloads
Documents
Desktop
Applications
Library
Full Disk Access
Macintosh HD/Users/you
Find in Home⌘F
95.84GB495,219 files
Other42.43 GB
Video25.6 GB
Images13.4 GB
Data & caches6.6 GB
Archives4.46 GB
Code2.05 GB
This is the real layout. Click around: open folders, switch tabs, clean something.
Small app. Does a lot.
System Data, explained
macOS shows one grey bar. Diskzy names every part and tells you which are safe to clear.
Developer data
Look first
41.04GB
CoreSimulator20.54 GB
Xcode7.34 GB
DerivedData2.31 GB
Caches
Safe to clear
3.19GB
ms-playwright870 MB
Google860 MB
Homebrew480 MB
Swap & sleep
Managed by macOS
4.29GB
kernelcore2.15 GB
sleepimage2.15 GB
Search everything
Name, kind, size, age. Millions of files, as fast as you type.
ext:dmg size:>300mb0.3 ms
Xcode_27.xip
~/Downloads
Docker.dmg
~/Downloads
Figma-arm64.dmg
~/Downloads
archive.zip
~/Downloads
Clean up, safely
Ticked with a reason. Apps you have open are left alone.
App caches1.66 GB
Homebrew
Yarn
com.spotify.client
Spotify is open
Clean · 1.66 GB
Uninstall, completely
The app, and everything it scattered around your Mac.
Xcode
4.1 GB app
CoreSimulator
~/Library/Developer
DerivedData
~/Library/Developer/Xcode
com.apple.dt.Xcode.plist
/Library/Preferences
A live map
Read once, then it opens in a millisecond and keeps up.
Desktop
13.1 GB
Library
34.7 GB
Movies
14.4 GB
Native, tiny and private.
Pure Swift. Everything goes to the Trash. Nothing leaves your Mac.
1.2 MS
TO OPEN
≈5 MB
DOWNLOAD
0
TRACKERS
macOS 15 Sequoia or later · $9 once · 2 Macs
Pay once. 2 Macs. Every update included.