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So you’ve had your Mac for a while, and things don’t feel as fresh and clean as they used to? Although Macs don’t require a lot of maintenance for cleaning, those temporary files, app leftovers, and system cache do accumulate. These files may slow down your machine and take up a lot of valuable space. In this article, we share quick and easy ways to clean up your MacBook. If you want to clean up your Mac manually, jump to the section linked below. Let’s get started!
How to clean your Mac automatically
Here’s a simple diagram to explain the most common types of computer junk, sorted by size. Some of these, like Trash bin files, are easily reachable, while others are stored away in hidden system folders. Sadly, there’s no easy way to clear them up without special skills.
If you don’t feel like spending the next several hours cleaning your Mac manually, you can use a powerful cleaning tool CleanMyMac X to find and remove all the clutter your Mac contains. It knows which files are useless, how to find and remove them completely. CleanMyMac X has everything to finish the 3-hour task of a Mac cleanup in under 5 minutes. It will even clean up the junk you didn’t know about and give your computer a speed boost.
How to clean up system storage on Mac with CleanMyMac X:
- Download CleanMyMac X for free here.
- Run the app and go to System Junk.
- Click Scan.
- Press Clean to get rid of all junk.
Done! Now your Mac looks much better!
How to Clean Mac Hard Drive Manually
If you never performed an automatic or manual system cleaning — it means that your Mac has been collecting unnecessary files and clutter for years. You can quickly clean up your Mac with these easy steps.
1. Clean up cache
You’ve probably heard “Remove your cache” as a web browser troubleshooting tip. In fact, your Mac stores a lot of information in files called caches, allowing fast access to that data and reducing the need to get it from the original source again. Unfortunately, those files take a lot of space on your Mac, and instead of speeding things up, they slow your computer down. Therefore, if you want to give your system a boost, clean your Mac from the cache files.
There are two ways to do that: you can delete them manually or use a MacBook cleaner like CleanMyMac X to do the job for you. Of course, the second way is an easy and fast one. However, if you decide to clean up the cache manually, check out a comprehensive guide on “How to Clear Cache on a Mac.”
2. Uninstall apps you don’t use
The applications you’ve installed on your Mac take up space, of course. And over time when your Mac becomes full of different apps, it may start running slowly. How to clean MacBook? In the first place, you need to remove the apps you no longer use or need. To do this, right-click on the app you want to remove and choose Move to Bin.
You may be surprised to find out that sending an app to the Trash will not uninstall it completely because the app leftovers still remain on your Mac taking up a lot of storage. So, if you want to be a responsible Mac user, you need to uninstall applications the right way. Here’s a step-by-step guide on “How to Uninstall Apps on a Mac.”
Extra step: Trim down your login items
Login items are applications that run automatically upon startup. Nowadays, every second app tries to become as prominent as possible and get into your Login Items. First of all, you may not even know what they are (not all of them appear in the Dock). Secondly, such apps consume memory. That's enough reason to get rid of extra login items you don't need.
- Open System Preferences.
- Go to Users & Groups.
- Choose your nickname on the left.
- Choose the Login Items tab.
- Check startup programs you want to remove.
- Press the “–” sign below.
You’re done.
3. Clean out useless duplicates
Identical photos, music tracks you’ve added one time too many, saved and re-saved PDF files… all of that sits on your Mac and gobbles up storage. The storage that could be used for better purposes.
So how do you quickly weed them out? The fastest way is to use Gemini 2: The Duplicate Cleaner.
- Download and launch the app
- Click “Scan for Duplicates”, and watch as it quickly fetches them from different corners of your Mac.
- Once the scan is done, hit Review Results and check which copies you want to remove.
- Click Smart Cleanup to delete everything you’ve selected.
That's it. Now your Mac should be completely duplicate-free.
4. Empty the Trash
Even though you’ve deleted the files, they reside in your Trash bin taking up a lot of storage on your Mac. They are just waiting to be removed completely. If you want your precious hard drive space back, you need to empty the Trash.
Here’s how to clean your MacBook from the trash:
- Click and hold on the Trash can icon in the Dock.
- Click Empty and then Empty Trash.
The process is quite simple, right? There is even a more effortless way to clear Trash. CleanMyMac X scans your Mac for junk and lets you remove all trashed files. To do that, launch CleanMyMac X and press Scan. When the scan is completed, click Review Details to see what exactly CleanMyMac X has found.
I’ve already cleaned Bin a couple of weeks before, but over some time, almost a gigabyte of trashed files has accumulated. Now, I can simply click Back to Summary and then Run to clean Trash and system junk.
5. Reduce clutter
Apple has already thought about the clutter that can be generated on the Macs and provided a possible solution. Here’s how to reduce clutter on your Mac:
- Go to the Apple menu.
- Choose About This Mac and then Storage. Here you can see how much free space is left on your computer.
- Then click Manage.
Here’re some recommendations for saving space on your Mac. You can choose Review Files to examine apps, documents, and other files that are stored on your Mac.
You can choose any file in every category (Applications, Bin, Documents, etc.) and click Delete to remove it and optimize space. Look through other recommendations and make the necessary changes to use your Mac’s space more efficiently.
6. Delete large and old files
It has always been a rule of thumb among computer geeks, that you should keep a minimum of 15-20% of free space on your main hard drive. This is just a rough estimation, but the more free space you have, the faster your Mac works. A computer magazine once performed a test on this, which concluded that the difference in speed can reach as much as 35%. If you work with heavy graphics or video rendering, even more free space is recommended.
How to have more free space? Delete large and old files.
The first way is totally manual and requires you to find them one by one, while for the second way, you just need to make two clicks and CleanMyMac X will do the job for you.
How to clean up Mac with CleanMyMac X:
- Download CleanMyMac X (a link to a free edition of the app)
- Launch the program.
- Go to the Large and Old Files section on the menu.
- Click Scan.
- Review the details, select what to clean, and then click Clean.
That’s it!
7. Remove old iOS backups
Having your files backed up is a wonderful thing. But over time your Mac becomes overloaded with old backups that take gigabytes of storage on your hard drive. That’s why you should consider removing the old iOS backups you no longer need.
Each backup remains stored on your computer and is accessible via iTunes. To delete the old backups, you need to do the following:
- Choose the Apple menu and then select About This Mac.
- Go to the Storage tab and click Manage.
- Here, choose iOS Files.
- Select the backup you want to remove and click Delete.
- Confirm and you’re done!
That’s it! The backup files are gone from your Mac forever.
8. Wipe out Language files
Unused language localizations take up about1 GB of storage space. Mac applications come with language files for every language they support. It allows starting using the app in that language immediately. Cool, right? Not always. Just consider: when was the last time you used the app in Bengali or Korean? Since you don’t speak those languages, such files just waste space on your Mac. You need to remove the unnecessary language files and clean MacBook from that clutter.
How to delete the language files? Go to Finder > Applications, then right-click the app which language files you want to remove and choose Show Package Contents. Open the Resources folder and then find folders ending with “.lproj.” Every folder contains language files for one particular language. Note that for every app you should manually find and select the files to remove. But there is an automatic way to delete the language files that will save you tons of time — CleanMyMac X. Just download the application (for free) and it will do the job for you.
9. Delete old DMGs
Disk images (DMGs) often take up valuable space on your Mac. Here’s how to perform a Mac cleanup and get rid of those files:
- Open Finder and type “.dmg” in the search bar.
- Then delete all files that have .dmg extensions. Don’t forget to remove them from Trash as well.
CleanMyMac X allows you to locate and delete DMGs quicker. With its System Junk module you can remove unused disk image with a single click of a button:
Just press Clean and it’s done!
10. Sort your Downloads folder
Do you also download things and never get rid of them? Then, your Downloads folder probably needs a good old sort out. If you’re too scared to face that enormous pile of files, here’s a quick trick: sort all your downloaded items by date added. Then, scroll till the end of the folder, and you’ll see the dusty files that have been there for a while. Command-click to highlight multiple files and send them to the Trash.
11. Tidy up your desktop
Many people use Desktop as their primary destination for files. But this could be tricky because your OS treats every file on a desktop as an active window. When items on your desktop are too many, Finder gets substantially slower. This leads us to the most compelling advice in this article — cleaning up desktop does miracles!
Rather than just leaving every file on your desktop, organize them into folders. The latest macOS does that automatically thanks to the Stacks feature: right-click your Desktop and choose Use Stacks. Now all your files are grouped and you can delete them with a click. You can also use Google Drive, Dropbox, or any external storage device to save your files and keep your desktop tidy.
12. Clean your Mac’s keyboard
Our last but not least advice is to wipe your Mac’s keyboard. As you use your keyboard daily, it quickly gets dirty. Moreover, all those crumbs may live under the keys forever!
If you were wondering how to clean Mac’s keyboard, there are no special rules here. You can try blowing the dust and other particles out of your keyboard once in a while. Disinfecting wipes and alcohol-based sprays may also prove useful. Just choose the piece of fabric and wipe the keys gently to make them clean and shiny!
All in all, be careful with your system files. Don’t delete things you’re not sure about. If you are not completely confident that you can manage the task by yourself, better use a dedicated utility like CleanMyMac X to get a fresh and clean Mac in just two clicks. Here's the video describing quick tips to clean up your Mac:
Happy cleaning!
Is your Mac dangerously close to running out of storage? Usually, you can go on a short disk cleaning spree and free up a lot of space quickly. But sometimes, it’s just not that simple.
A while back, we talked about the somewhat baffling “Other” storage that can end up consuming tens—if not hundreds—of gigabytes of disk space. This time, we shall focus on another perplexing issue: how to reduce a bloated “System” storage on the Mac.
What Is System Storage?
Whenever you go to Applemenu > About This Mac > Storage, the Mac’s internal storage indicator will display the amount of data related to the operating system as “System” storage.
Ideally, it should stay under 20 gigabytes, but you can expect it to keep growing slowly as you keep using your Mac. If it exceeds that by double or triple-digits, however, then here are the most common reasons why that happens:
- Local Time Machine snapshots.
- Large application log files.
- Bloated application or system cache.
- Broken Spotlight Search index.
If your Mac has a very large “System” storage allocation, the pointers that follow should you help reduce it. Don’t forget to clear the Trash and check the Storage screen frequently as you work your way through them.
Remove Local Time Machine Snapshots
Free Mac System Clean Up Services
If you have Time Machine enabled on your Mac, you may end up with a chunk of “System” storage well beyond the usual size limits. That happens when the operating system fails to clear older Time Machine snapshots from the internal storage. It’s best to check and get rid of them using Terminal.
Note: If possible, create a fresh Time Machine backup with your external backup drive connected before you go ahead.
1. Go to Finder > Applications > Utilities and open Terminal.
2. Type tmutil listlocalsnapshotdates and press Enter to bring up a list of all local Time Machine snapshots along with their relevant date tags.
3. You must delete the local Time Machine snapshots individually (starting with the oldest) and check if that reduces “System” within your Mac’s Storage screen.
Type tmutil deletelocalsnapshots followed by the date and name of the snapshot. Then, press Enter to delete it.
Repeat as needed, but avoid deleting the most recent snapshots. If you have your external backup drive around, however, you can safely delete all of them with the following command:
for snapshot in $(tmutil listlocalsnapshotdates | grep -v :); do sudo tmutil deletelocalsnapshots $snapshot; done
Ccleaner
Delete Application Log Files
If you’ve used your Mac for some time, it may contain lots of application log files. In some cases, these files can end up consuming multiple gigabytes of storage. You can check and delete them by heading over to the Logs folder within the Mac’s user library.
1. Open Finder. Then, select Go > Go to Folder.
2. Type ~/Library/Logs/ and press Enter.
3. Check for any oversized log files and delete them. To make things easier, you can switch to List view (from the top of the Finder window) and use the Size column to sort the log files by size.
Delete Connection Log Files
Application logs aside, your Mac may also contain massive connection log files related to the Mail app. It’s best to check and get rid of them.
1. Open Finder. Then, select Go > Go to Folder.
2. Type the following folder path and press Enter:
~/Library/Containers/com.apple.mail/Data/Library/Logs/Mail
3. Delete any large connection log files inside the directory.
Delete System and Application Cache
Both the operating system and the various applications that run on your Mac frequently cache lots of files. That helps speed things up, but sometimes, the application and the system caches can balloon out of control and ramp up the “System” reading. Try clearing out any large file caches.
Tip: For a complete walkthrough, check how to clear the Mac cache.
1. Open Finder. Then, select Go > Go to Folder.
2. Type ~/Library/Caches/ and press Enter to open the application cache.
3. Switch to List view and sort the files and folders using the Size column. Then, delete any oversized items within the directory.
Note: If Finder doesn’t display folder sizes in List view, open View on the menu bar, select Show View Options, check the box next to Calculate all sizes, and select Use as Defaults.
4. Restart your Mac. If everything looks good, clear the Trash.
5. Repeat steps 1–4, but use the path /Library/Caches/ (which opens the system cache) in step 2 instead.
Enter/Exit Safe Mode
Booting into Safe Mode can help remove redundant or obsolete system-related files on your Mac. To do that, start by turning off your Mac. Power it back on, but immediately press and hold the Shift key until you see the Apple logo.
Free Mac System Clean Up
After your Mac boots into Safe Mode, go to Apple menu > About This Mac > Storage. Wait for a couple of minutes until the storage indicator updates itself completely. Then, restart your Mac normally and see if that helped.
Rebuild Spotlight Index
Sometimes, your Mac may display an incorrect “System” storage reading due to a broken Spotlight Search index. Try rebuilding it to help reduce system storage on Mac.
1. Open the Apple menu, choose System Preferences, and select Spotlight.
2. Switch to the Privacy tab. Then, drag and drop the system drive from your desktop inside it.
Note: If the system drive is not visible on the desktop, open Finder, and select Preferences on the Finder menu. Then, check the box next to Hard disks.
3. Select OK to confirm that you want Spotlight Search to stop searching the system drive.
4. Wait for a moment. Then, select the system drive that you just added and remove it using the Delete ( — ) button.
That should prompt Spotlight Search to re-index the system drive.
Free Mac System Clean Up Tools
Too Complicated? Use Onyx
If the methods above to reduce system storage on your Mac seem too tedious, try using Onyx. It’s a completely free application that can quickly delete local Time Machine snapshots, remove outdated log files, clear the application and system caches, and rebuild the Spotlight index.
Onyx also works as a junk removal tool. If you keep running into storage-related issues on your Mac regularly, we highly recommend that you use it. Here’s a complete Onyx walkthrough.