How to clear up or delete disk space on mac

Clean System Data is a safe manual method how to clear disk space on mac that targets bulky system data taking up Mac storage.

Cleaning Guide: Open Finder, press Cmd + Shift + G, type ~/Library/Caches, and then delete the files inside (but do not delete the folder); the applications will automatically rebuild their caches. You can also go to /Library/Logs and delete expired entries to clear out old system logs.

Its advantages are no third-party tools required, safe to operate without system damage, and able to free up large System Data storage quickly.

Its drawbacks are easy to delete critical files by mistake if unfamiliar with paths, manual sorting is time-consuming, and some cache files will regenerate soon after cleanup.

Notes

• Never delete the Caches or Logs folders themselves—only delete the files inside them.
• Before deleting logs, sort them by date and delete only entries older than 1–3 months to avoid accidentally deleting active system logs.
• Do not modify any folders or files in ~/Library/Application Support or System/Library, as these locations may contain critical system or application data.
• Before cleaning up ~/Library/Caches, close all running applications to prevent conflicts or file corruption.
• After deleting caches, some applications’ preferences or login data may be temporarily reset; this is normal and will be restored once the applications rebuild their caches.

ps：This practical operation serves as a steady way how to clear disk space on mac, ideal for users who want to clean Mac system storage manually and avoid installing extra cleanup software.