Mac Performance

How to Free Up Space on Mac El Capitan

It’s always ideal to install the latest macOS on your Mac, as each version includes important security updates and allows you to take advantage of Apple’s finest new features. However, each update has macOS storage requirements, meaning you’ll need to have enough free space on your Mac to install it. But what if you don’t have enough disk space and are still using OS X? Well, stay tuned, because we’ve got you covered.

Before we start:

 

Let’s cut to the chase, shall we? If you’re getting the ‘storage almost full’ notification, you’ll likely want to free up space pronto. Fortunately, it’s never been easier to keep on top of your disk space by using MacKeeper’s Safe Cleanup. It provides you with the functionality to remove junk files that clog up your machine, freeing up space and speeding up your Mac.

 

Here’s how to use it:

  1. Download and install MacKeeper.
  2. Select Safe Cleanup and scan your Mac for files.
  3. Tick the file types you’d like to delete.
  4. Click Clean Junk Files to declutter in seconds.

How to check available disk space on macOS El Capitan

Using Disk Utility is the fastest way to check available disk space—here’s how:

  1. Press command + spacebar at the same time to open Spotlight Search.
  2. Type in ‘Disk Utility’ and hit enter.
  3. Now, Disk Utility will then display how much free space you have left on your disk— check it out.
To check disk space on macOS El Capitan, hit command + spacebar, type in Disk Utility and then hit enter.
Step 1. Hit command + spacebar > type in Disk Utility > enter
To check disk space on macOS El Capitan, open disk utility and look towards the segment labelled free on the breakdown of your storage usage.
Step 2. Look at the Free section in Disk Utility to check free space

Find out why your storage is full on macOS El Capitan

If you’re struggling to figure out why your storage is full on macOS El Capitan, the first thing to do is check your startup disk to see what’s taking up so much space. To do this, click the Apple icon in the top left corner, and select About This Mac from the drop-down menu. Then, navigate to Storage, and you’ll see a breakdown of your disk usage.

 

There are many reasons your storage could be getting full, including:

  • Your Trash hasn’t been emptied.
  • Cache and junk files are clogging up your disk.
  • Not uninstalling apps you no longer use.
  • Old backups for devices you have got rid of.
  • Duplicate music and photos.
  • Large multimedia files that could be put on an external drive.
  • Unnecessary language files that you won’t use.

How to clean up disk space on macOS El Capitan

If you’re using El Capitan and want to free up space on Mac, you should be glad to get acquainted with these solutions:

  1. Empty your trash
  2. Remove cache files
  3. Delete unnecessary apps
  4. Delete old backups of iTunes Library
  5. Clear your downloads
  6. Flush DNS cache
  7. Delete duplicates in iTunes
  8. Delete old iOS backups
  9. Get rid of large files
  10. Remove localization files
  11. Clean up cache files
  12. Free up space via Terminal
  13. Clean up disk space via Finder
  14. Free up disk storage with a cleaner application

1. Empty trash

Do you ever notice that after deleting files, no additional free space appears on your disk? This is because, on macOS El Capitan, deleted items are automatically sent to Trash so that you have the opportunity to restore any files you accidentally deleted. But if you don’t need it, find out how to empty Trash:

  1. To open Trash, click on the Trash can icon on the right side of your Dock.
  2. Click Empty in the top right corner of the window.
  3. A prompt will appear asking if you’re sure you want to empty Trash, in this pop-up, select Empty Trash.
To Empty Trash on El Capitan, click on the trash can icon, located in the right hand side of your Dock.
Step 1. Click the Trash Can icon on the right side of your Dock.
To Empty Trash on El Capitan, when inside the trash menu, select Empty in the top right corner of the Trash window.
Step 2. Click Empty in the top right corner
Once you've hit empty in Trash on macOS El Capitan, a pop up will ask if you wish to permanently erase the items in Trash. If you're sure, hit Empty Trash.
Step 3. Click Empty Trash

2. Remove cache files

MacBooks automatically create caches, which are temporary files that help in speeding up your apps. Unfortunately, these caches can take up valuable space on your disk, so to save on disk space, you should regularly remove your cache. Check a full guide on clearing cache on Mac or use our quick instructions below:

  1. Open Finder and press Shift + Command + G at the same time. This will open Go to Folder.
  2. Copy and paste the following text into the Go to Folder window: ~/Library/Caches. Then hit Go.
  3. Select the library cache files you’d like to remove, and drag them into your Trash.
To find your cache files on macOS El Capitan, open Finder and press Shift + Command + G to open the Go menu.
Step 1. Open Finder > press Shift + Command + G to open Go to Folder
In the Go window on macOS El Capitan, type in ~/Library/Caches and hit enter. Then, you can drag the cache files you'd like to delete into your Trash.
Step 2. Enter ~/Library/Caches > click Go > drag cache files to Trash

3. Delete unnecessary apps

If there are apps on your Mac that you barely use, a good way to save your disk space is to delete these useless apps. The simplest way to do this is to use MacKeeper’s Smart Uninstaller, which can automate this entire process, but if you’d like to do this manually instead, check out our guide below:

  1. Open Finder, then select Applications from the sidebar.
  2. Find and select the application you want to delete from your Mac.
  3. Right-click on the app, and select Move to Trash.
To delete an unnecessary app in macOS El Capitan, open finder and select Applications from the sidebar.
Step 1. Open Finder and select Applications
Then, to delete the application on El Capitan, right click on the app you want to delete and hit Move to Trash.
Step 2. Right-click on the app you want to delete > click Move to Trash

4. Delete old backups of iTunes Library

Before the days of streaming, we all used to use our Macs to sync our iPads, iPhones, and iPods to iTunes. As a part of this process, iTunes automatically created a backup of each device. These backups could be taking up lots of space on your Mac for old devices you may not even own anymore. Find out how to delete old iTunes Library backups on El Capitan below:

  1. Connect your device to your Mac via USB.
  2. Open Finder, select Go from the top menu, and click Go to Folder.
  3. Copy and paste ~/Library/Application Support/MobileSync/Backup/ in Go to Folder and hit Enter.
  4. Select the backup files you’d like to delete, and move them to Trash.
If you want to delete old iTunes library backups on El Capitan, open Finder, and select Go from the top menu. Then click Go to Folder in the drop down menu.
Step 1. Open Finder > Go > Go to Folder
In the Go to Folder box on macOS El Capitan, type in ~/Library/Application Support/MobileSync/Backup/ and hit Enter. Any old iTunes backups will be displayed here, simply move them to trash to delete them.
Step 2. Type in ~/Library/Application Support/MobileSync/Backup/ and hit Enter

5. Clear your downloads

One of the easiest ways to free up disk space on macOS El Capitan is to find and delete large files. But where can they be found? For most people, the largest files are often located in the Downloads folder, so if you’d like to clear your downloads, follow our step-by-step instructions:

  1. Open Finder and select Downloads from the side menu.
  2. Click the Change icon grouping icon, and select Size.
  3. Your largest files will now appear in order at the top of your window.
To clear your Downloads folder in macOS El Capitan, open Finder, and select Downloads from the side menu. Then click the Change Icon Grouping icon, and select Size from the drop down menu.
To Clear Downloads: Finder > Downloads > Change Icon Grouping > Size

6. Flush DNS cache

Your DNS cache contains records of the IP addresses that you’ve connected to online. This generally helps to speed up web browsing, but it’s worth flushing the DNS cache every once in a while to save on disk space. Flushing your DNS also helps to protect you from phishing scams—here’s how to do it:

  1. Hit command + space to open Spotlight Search.
  2. Type in ‘Terminal’ and hit Enter.
  3. Copy and paste the following into Terminal: sudo dscacheutil -flushcache;sudo killall -HUP mDNSResponder;say cache flushed’.
  4. Hit Enter.
If you want to flush your DNS cache in macOS El Capitan, open spotlight search by pressing command + space. Then, type in 'Terminal' and hit enter.
Step 1. Command + Space > Type in ‘Terminal’ > hit Enter
To flush your DNS cache in Terminal on macOS El Capitan, type in sudo dscacheutil -flushcache;sudo killall -HUP mDNSResponder;say cache flushed’ and hit Enter.
Step 2. Copy and paste the above code into Terminal and hit Enter

7. Delete duplicates in iTunes

If you’re a big music fan, you’ve likely got thousands of songs on your MacBook. Occasionally, for various reasons, it’s common to have song duplicates in your library. Find out how to delete duplicates in iTunes or Apple Music below:

  1. Open iTunes or Music, and select Songs from the side menu.
  2. Click once on any song in your library.
  3. Go to File in the top menu, select Library, and then click Show Duplicate Items.
  4. Delete any duplicate songs from the displayed list.
To locate and delete duplicates in iTunes on El Capitan, go to Songs in iTunes from the side menu and select any song.
Step 1. Go to Songs and select any track in your Library
To show duplicate items in macOS El Capitan, go to File in the top menu, and navigate to Library. Then press the Show Duplicate Items option.
Step 2. Go to File in the top menu > Library > Show Duplicate Items
This will then list all of your iTunes tracks that have duplicate titles. This makes it easy to delete any songs taking up disk space on El Capitan.
Step 3. Delete any unnecessary duplicate songs

8. Delete old iOS backups

If you’ve been an iPhone user for a long time now, you’ve probably backed up your iOS files to your MacBook. However, most people these days back up their iPhones online using iCloud or similar cloud services. So, if you’d like to free up some space on El Capitan, find out how to delete your old iOS backups:

  1. Click the Apple menu in the top left corner of your screen, and click About this Mac.
  2. Then, navigate to Storage and click Manage.
  3. Click into iOS Files in the side menu, and move any files you don’t need to Trash.
If you want to delete old iOS backups on El Capitan, click the Apple icon in the top left corner, and select About This Mac.
Step 1. Click the Apple icon > Select About This Mac
To delete old iOS backups on El Capitan, in the About This Mac menu, select Storage and then click on Manage.
Step 2. Go to Storage > Manage
To delete old iOS backups on El Capitan, in the Storage Management menu, select iOS Files, and delete your unwanted backups.
Step 3. Select iOS Files and delete unwanted files

9. Get rid of large files

Perhaps this seems obvious, but the best way to free up space on El Capitan is to delete your largest files. The only problem is to find where they are. Fortunately, we’ve found a great method to locate them manually. Find out how to get rid of large files below:

  1. Open Finder and press command + F.
  2. Go to the menu labeled Kind, and select Other from the drop-down menu.
  3. Search for File Size in the top right corner, tick the File Size option, and press OK.
  4. Then, enter the following criteria: File Size is greater than 500 MB.
  5. Move any large files you no longer need to your Trash.
To locate large files on your El Capitan Mac, open Finder and hit command + F. Then, select Other.
Step 1. Open Finder > press command + F > Select Other
To enable File Size in Finder search on El Capitan, type in File Size in the search bar and tick the box. Then click OK.
Step 2. Type File Size into the search bar > Tick the File Size box > hit OK
To see large files on your El Capitan Mac, make sure the search criteria is set to the following: File Size is greater than 500 MB.
Step 3. Change criteria to File Size is greater than 500MB > delete large files

10. Remove localization files

Many applications come pre-installed with language files that you’ll never ever use if you don’t speak the language. Delete these unnecessary language files using MacKeeper’s Safe Cleanup feature—it locates and deletes language files in seconds. Find out how below:

  1. Download MacKeeper.
  2. Select Safe Cleanup from the side menu.
  3. Tick Languages and then click Clean Junk Files to delete useless language files.
To remove localisation filles on El Capitan, open MacKeeper and select Safe Cleanup. Scan your Mac and tick the Languages box. Then hit Clean Junk Files.
Open MacKeeper > Safe Cleanup > tick Languages > Clean Junk Files

11. Clean up cache files

Cache files help to speed up software loading times, but they can often end up taking valuable space on your Mac. So, find out below how to clean up cache files on El Capitan:

  1. Open Finder.
  2. Click Go in the top menu, hold down the Option key, and click Library.
  3. Navigate to the Caches.
  4. Move the application cache files you don’t need to your Trash.
To clean up cache files on macOS El Capitan, open Finder and click Go. Then hold down the option key and click Library once it appears.
Step 1. Open Finder > Click Go > hold down Option key > Library
To clean cache files on El Capitan, find the Caches folder in your library and delete the junk files you don't need.
Step 2. Go to Caches folder > move junk cache files to Trash

12. Free up space via Terminal

There are often needless system logs and speech voices that can take up useful storage space on macOS El Capitan. Though it can be incredibly tricky to locate using Finder, you can do it quicker by typing in useful commands into Terminal. Now, find out how to free up space via Terminal:

  1. Open Spotlight Search by pressing command + space.
  2. Type in Terminal and hit Enter to open Terminal.
  3. To remove system logs: copy and paste sudo rm -rf /private/var/log/* and hit Enter.
  4. To remove speech voices: copy and paste rm -rf Voices/* and hit Enter.
To free up space in Terminal on macOS El Capitan, press command + space, type in Terminal and then hit Enter.
Step 1. Command + Space > type Terminal > hit Enter
To free up space using Terminal on macOS El Capitan, type in sudo rm -rf /private/var/log/* to delete system logs, or type in rm -rf Voices/* to remove speech voices. Then press enter to remove the relevant files.
Step 2. Copy and paste the code into Terminal > hit Enter

13. Clean up disk space via Finder

If you know exactly what files are taking up lots of space on your disk drive, it’s really simple to delete them using Finder. To clean up disk space in Finder:

  1. Open Finder.
  2. Locate the file you’d like to delete.
  3. Right-click and select Move to Trash.
  4. Open your Trash by clicking the trash can icon in your dock.
  5. Hit Empty Trash to permanently delete the files.
To clean disk space in El Capitan using Finder, select the file you want to delete, right click and select Move to Trash.
Step 1. Right-click on the file you want to delete > Move to Trash
To clean disk space using Finder on macOS El Capitan, once you've moved the file to Trash, open Trash by clicking the trash can icon in your Dock. Then hit Empty in the top right corner and your trash will be emptied.
Step 2. Open Trash > Empty Trash

14. Free up disk storage with a cleaner application

There’s a lot to take in there, and so many different methods to locate and delete the files clogging up your disk. Finding all of these manually can take hours, so we recommend using a MacKeeper’s Safe Cleanup feature. Find out how to quickly and safely free up disk space with our cleaner app:

  1. Download MacKeeper.
  2. Select Safe Cleanup from the side menu.
  3. Scan your Mac for files.
  4. Tick the items you’d like to delete, and then click Clean Junk Files.
To free up disk storage using a cleaner application on El Capitan, download and install MacKeeper, click Safe Cleanup and then press Scan.
Step 1. Open MacKeeper > click Safe Cleanup > Scan
To free up storage using MacKeeper on El Capitan, tick the Check All box in Safe Cleanup, and then press Clean Junk Files.
Step 2. Tick Check All for a full clean > click Clean Junk Files

How to avoid running out of disk space on macOS El Capitan in the future

Hopefully, this guide has helped you to free up some disk space, and you can now create and download the files you need or install the latest macOS. The real challenge is keeping on top of your storage going forward. So, check out our top tips to avoid running out of disk space on macOS El Capitan below:  

  • Use an external drive for larger files.
  • Use the web version of an app, rather than installing it.
  • Download video files in lower resolutions.
  • Transfer backups to the cloud.
  • Regularly clear junk and cache data.
  • Use a cleaner app to become a power user in seconds.

Tidy Drive, Tidy Mind

Though this guide has helped to illustrate the many ways you can free up disk space manually, by far, the easiest method is to use MacKeeper’s Safe Cleanup feature. It’ll automate the entire process for you, allowing you to manage your storage actively.

 

Furthermore, MacKeeper includes other cleaning options, such as its Smart Uninstaller to safely delete as many apps as you like in just a few clicks or a handy Duplicates Finder tool to locate files you don’t need easily. Cleaning doesn’t have to be a chore.

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