Keep your Mac fast.
Without the bloat.
One-click cleanup for app caches, junk files, and developer tools. Built with Rust + Tauri. Not Electron. ~12 MB total.
macOS 13+ · Apple Silicon · Intel version · Open source
Everything your Mac needs. Nothing it doesn't.
No AI. No subscription traps. Open, clean, done.
System Cache Cleanup
Scans every app's cache individually — see exactly which app is hoarding space. Also cleans logs, crash reports, and Trash. Typical savings: 2–8 GB.
Developer Tools
Deep support for npm, pnpm, Yarn, Docker, Homebrew, Xcode, Cargo, Pip, Go. Each tool cleaned correctly. Typical savings: 5–20 GB.
Process Manager
Finds zombie processes, idle memory hogs, and background apps you forgot about. Terminate safely with one click. Smarter than Activity Monitor.
System Health
Real-time CPU, memory, and disk shown as clean ring charts. Memory shows actual app usage, not the misleading figure that includes file cache.
100% Private
No account. No telemetry. No cloud. Everything runs locally on your Mac. Your data never leaves your machine — verify with any network monitor.
Incredibly Lightweight
~12 MB total. CleanMyMac is 200+ MB. Built with Rust + Tauri instead of Electron — no bundled Chromium, no wasted resources. Starts in under 200ms.
App Uninstaller
Completely remove apps and their leftover files. Deep clean rules for Xcode, VS Code, Docker Desktop, JetBrains IDEs, and Android Studio. Files go to Trash, not deleted permanently.
Docker Deep View
Manage Docker images, containers, and volumes individually. See what's dangling, what's stopped, what's unused. Lighter than Docker Desktop's built-in UI.
Cleans what's safe. Leaves everything else alone.
The worst thing a cleaner can do is delete something you needed. MacSlim is built around that fear.
Won't touch active tools
If you're running npm install, building in Xcode, or compiling Rust code right now — MacSlim won't touch those caches. It checks first, every time.
Strict path limits
MacSlim can only delete from a fixed list of known-safe locations. Your home folder, Documents, Desktop, and Downloads are permanently off-limits. No exceptions.
Full history log
Every cleanup is logged locally with timestamps, file sizes, and results. You can always see exactly what was cleaned and when — nothing happens silently.
How MacSlim compares
| Feature | MacSlim | CleanMyMac | Activity Monitor |
|---|---|---|---|
| Price | Free | $34.95/yr | Free |
| App size | ~12 MB | 200+ MB | Built-in |
| One-click cleanup | ✓ | ✓ | ✗ |
| npm / Docker / Xcode caches | ✓ | ✗ | ✗ |
| No account required | ✓ | ✗ | ✓ |
| Zero data collection | ✓ | ✗ | ✓ |
| Open source | ✓ | ✗ | ✗ |
| App uninstaller | ✓ | ✓ | ✗ |
Works without opening a window
macslim-cli is a standalone binary that shares the same Rust core as the desktop app. Run it in CI, cron jobs, or just when you prefer the terminal.
First-time setup: symlink the bundled binary into your PATH
sudo ln -s /Applications/MacSlim.app/Contents/MacOS/macslim-cli /usr/local/bin/macslim-cli
Free your Mac. Right now.
Free · No ads · No account · No subscription
macOS 13+ · Apple Silicon · Intel version