See what takes up space and clean the rebuildable parts — safely.
Download Lumen for macOSNo accounts, no telemetry, no network. Everything runs locally and read-only.
Caches, developer build artifacts (Xcode, Homebrew, npm), simulators, large & old files — with clear risk badges.
Disk map, health score, one-click safe cleanup. Everything goes to the Trash — restorable.