Home › Mac Guides
Mac cleaning & maintenance guides
Every guide below explains how to do the job by hand first — with the real paths, menus and Terminal commands — and only then how CleanerMac does it in one click.
Mac Cleaner
A practical Mac cleaner guide: what fills your disk, which caches and leftovers are safe to delete, the manual steps, and how to clean a Mac in one click.
Best Mac Cleaner
An honest guide to the best Mac cleaner: what these apps really do, which tool wins at what, and the safety checklist to apply before you install one.
CleanMyMac Alternative
Looking for a CleanMyMac alternative? A fair comparison of features, pricing models and trade-offs — plus the free manual methods that need no cleaner at all.
Free Up Space on Mac
Disk almost full? Learn how to free up space on Mac step by step: measure usage, clear caches and old backups, find large files and remove duplicates.
System Data Storage
System Data can swallow tens of gigabytes on a Mac. Here's what's actually inside it, how to see the real number, and how to shrink it safely.
Speed Up Your Mac
Is your Mac slow? Learn how to speed up a Mac for real — memory pressure, startup items, caches, storage and DNS — with honest manual steps and one-tap fixes.
Clear Cache on Mac
How to clear cache on Mac safely: user caches in ~/Library/Caches, Safari, DNS, Quick Look and font caches — what to delete, what to leave alone, and why.
Uninstall Apps on Mac
Learn how to uninstall apps on Mac completely — the exact Library paths where leftovers hide, what is safe to delete, and how to remove stubborn apps.
Remove Duplicate Files
How to find duplicate files on Mac reliably — content matching with SHA-256, a free Terminal method, where duplicates hide, and what is unsafe to delete.
Startup Disk Full
Seeing “Your startup disk is almost full” on your Mac? Here is the exact order to work through — snapshots, caches, backups and large files.
Other Storage
Other storage on Mac is the bucket macOS uses for everything it cannot categorise. Here is exactly what is in it, how to inspect it.
Free Up RAM on Mac
How to free up RAM on Mac the honest way: read memory pressure in Activity Monitor, cut swap, use purge correctly, and find what is really eating memory.
MacKeeper Alternative
Looking for a MacKeeper alternative? Here is an honest comparison, how to fully remove MacKeeper, and a private one-time-purchase cleaner that replaces it.
Delete Duplicate Photos
How to find and delete duplicate photos on Mac — the Photos app Duplicates album, Finder Smart Folders, content hashing, and how to avoid deleting originals.
Purgeable Space
Purgeable space is storage macOS can reclaim on demand — snapshots, caches and offloaded files. Here's how to see it and free it for real.
Find Large Files
Need to find large files on your Mac? Use Finder search, Terminal, the Storage pane or a visual scan to locate the gigabyte-sized files eating your disk.
Disk Space Analyzer
A Mac disk space analyzer shows exactly which folders and files are eating your storage. Compare the built-in tools, Terminal methods and visual scanners.
MacBook Air Storage
A 256 GB MacBook Air fills fast. Here's how to free up space — the biggest wins first, with the real paths and no risky Terminal tricks.
Xcode DerivedData
What Xcode derived data is, where it lives, when deleting it fixes builds, and how to reclaim gigabytes from DerivedData, simulators and iOS DeviceSupport.
Clear Safari Cache
Learn how to clear Safari cache on Mac without wiping your history or logins. Empty Caches via the Develop menu, clear website data.
Clear Chrome Cache
How to clear Chrome cache on Mac without losing passwords or bookmarks, where Chrome stores its data, and why a Chrome profile can grow to several gigabytes.
Flush DNS Cache
The correct command to flush DNS cache on Mac, why it fixes sites that will not load, how to verify it worked, and what to try when flushing does not help.
Slow After Update
If your Mac is slow after a macOS update, here is why it happens, what to wait out, and the fixes that actually work: indexing, caches.
Securely Delete Files
How to securely delete files on Mac — and why overwriting doesn't work on SSDs. The honest answer is FileVault plus a normal delete.
Maintenance Checklist
A practical Mac maintenance checklist — what to actually do weekly, monthly and yearly to keep macOS fast, tidy and backed up. No myths.
DaisyDisk Alternative
Looking for a DaisyDisk alternative that also cleans? See where DaisyDisk still wins, where CleanerMac goes further, and which one fits how you use your Mac.
OnyX Alternative
Need an OnyX alternative for Mac that is easier to use? See what OnyX still does best, what CleanerMac does differently, and which maintenance tool suits you.
AppCleaner Alternative
Looking for an AppCleaner alternative? AppCleaner is free and great at uninstalling. Here is when it is enough, and when a full cleaner is worth paying for.
Are Cleaners Safe?
Are Mac cleaner apps safe? Mostly yes, some are not. Here are the real risks, a six-point checklist to apply, and how to clean your Mac without one.
No-Subscription Apps
Tired of renting software? Why Mac apps without a subscription still make sense, when subscriptions are fair, and how to spot a utility worth buying once.