Professional macOS System Maintenance & Optimization
Mac Janitor is a native macOS maintenance application built with modern SwiftUI that cleans and optimizes your Mac through comprehensive system maintenance. Designed to handle cleaning tasks that other programs have failed to do, Mac Janitor ensures your Mac runs smoothly with advanced safety features and intelligent caching strategies.
⬇️ Download Mac Janitor v5.0Clean user and system caches with intelligent 7-day retention policy to preserve recent data while freeing up space.
Remove diagnostic logs safely while maintaining a 7-day retention window for troubleshooting and diagnostics.
Completely empty trash on all volumes including hidden files for complete disk cleanup.
Clean Safari and other browser caches to reclaim disk space and improve browsing performance.
Clear DNS cache to resolve network issues and improve browsing speed.
Remove accumulated font cache files that can slow down system performance.
Free up unused memory to improve overall system responsiveness and performance.
Verify and optimize disk structure for better long-term performance.
Smart retention policy ensures recent files and data are preserved while old files are safely cleaned.
Automatic Time Machine snapshots created before major operations for complete system recovery.
Command escaping prevents injection attacks with AppleScript GUI password prompts.
Comprehensive logging with timestamps tracks all maintenance operations for transparency and debugging.
Advanced developer mode accessible with Cmd+Shift+2 for power users and developers.
Real-time logging display shows detailed operation history and system information.
Detailed logs stored at ~/Library/Logs/MacJanitor/ with full operation history.
Mac Janitor uses a modern MVVM architecture with SwiftUI, ensuring a responsive and intuitive user interface. The application is built entirely with Swift and leverages the latest macOS APIs while maintaining backward compatibility with macOS 12+. System Integrity Protection awareness and graceful error handling ensure safe operations even on locked-down systems.
Learn more about Mac Janitor or contribute to the project on GitHub
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