“I want to delete junk files from my Mac. Is there any way to clean it quickly? Any suggestions is greatly appreciated.”

One of the most common types of problems faced almost universally by all MacBook users is how to remove junk files on Mac efficiently. As the files pop up once, they will keep doing so repeatedly. No matter what you do or what antivirus you install, the junk files are an inevitable phenomenon that raises its head with the passage of time.  In this article, we will guide you 3 main ways to remove these annoying junk files from your Mac.

What Are Junk Files on Mac

Before sorting out the problem in greater depth, let’s first understand some basic facts about the junk files. We’ll begin with the most fundamental question.

Every Mac application has such files and you can easily locate them in specific folders. These junk files can either be temporary or support file and they mostly keep appearing and disappearing inside your system. Another risk with junk files is that they might be invisible to users, creating numerous redundant leftovers which your Mac system will not be using again.

Development junk is another name for these junk files. This type of files will continue living on your hard drive once you download and install an application from the internet. And they may be present as cache or temporary files in your system. More often than not, it is quite a challenge to locate and delete them off your Mac system manually. This is why a lot of MacBook users tend to use trusted applications in order to remove junk files from Mac, and Umate Mac Cleaner is a great one like that.

junk files on mac

What Are Considered Junk Files

Many users may not know but Mac operating system has been working for quite a few years to ensure complete termination of all junky and trashy files from the device. They have been meaning to do so even without the acknowledgement from the users. As these junk files consume very little space on the system, most users are not even aware of their presence.

The junk files are broadly categorized into 12 types:

Types Introduction Types Introduction
App cache files Created when you install, open and use an application. Development waste Gets accumulated at the time of installation of a software.
Log files Help save recent and old activities in the system such as calendars, different events etc. Universal binaries Extra files that might be run on more than on platforms.
language files Various language files generated by apps Trash files One can locate these files in the recycle bin.
Broken login items Their details can be seen by checking the start menu. Old downloads Files or items that were downloaded but did not come into the use.
Duplicate files The copies of the same thing. Old backups These backups may have been created from time to time but remain unused.
Browser cache Created when a user visits a website from their browser installed on their Mac. Remnant data The files that remain behind after you delete a software.

Cleaning Junk Files on Mac is Definitely A Beneficial Thing

You should never take the junk files on your Mac for granted. Most users are tempted to believe that junk files are pretty harmless, so there’s no need to take any strict action on them. Unfortunately, that’s not how it goes. The presence of too many junk files on your Mac will lead to the creation of numerous other problems.

1. Junk Files Occupies Your Disk Space

One of the worst problems caused by junk files is the occupation of your Mac’s disk space. If you has never cleaned their disk, then you must be going on with gigabytes of wasted space because of these junk files. 

2. Junk Files Makes Your Mac Slower

Junk files tend to make your Mac slow. This is yet another reason for you to delete all junk files from your computer. If you have more number of outdated junk files, it slows the time your device takes to find the documents and open programs.

So, the conclusion is : by deleting these junk files, you can not only clean the disk space but also fasten the performance of your Mac.

What Are The Main Ways To Delete Junk Files On Mac

There are three basic ways to clean all junk files from your MacBook.

  • Automatically remove junk files With Mac cleanup app - Turn to Way 1 .
  • Clean up junk files manually - Turn to Way 2 .
  • Use built-in utility on Mac system - Turn to Way 3 .
Umate Mac Cleaner Manual Deletion Built-in Utility
Time needed 1 min 20-30 mins 40 mins
Automatic detection for junk files yes no no
Possibility to delete important files no yes yes
Whether need professional knowledge no Some ways need Sometimes need

Let’s discuss each method one by one.

Way 1: Automatically Remove Junk Files With Mac Cleanup App

There’s a very efficient way to get rid of the junk files on your Mac. You can count on a trusted application such as Umate Mac Cleaner to completely erase all unwanted junk files from your Mac system.  It ends all your worries as to how to delete junk files on Mac in a professional manner.

How To Run This App

One of the benefits of this app is its easy usability. It doesn’t require a lot of effort to be installed. Here are some easy steps you can follow and use Umate Mac Cleaner to remove junk files on your Mac.

1. Download and install Umate Mac Cleaner on your Mac.

Mac version

2. Once installed, use its scan feature on “Clean Up Junk” section to locate junks from every corner of the device.

umate clean up junk

3. Having scanned the entire Mac system, you can then proceed to clean up all the junk files by clicking the big “Clean” botton. Both of two modes (Quick Clean and Deep Clean) will remove all the unnecessary junk files from your system.

umate deep clean

We Recommend Umate Mac Cleaner as Your Best Choice to Delete Junk Files

In order to delete junk from MacBook, Umate Mac Cleaner offers numerous advantages. The primary and the most critical reason being its ability to completely and safely remove all junk files from your computer. Check more details below.

  • Time-Saving: Delete junk files with 1 click.
  • Multiple Junk Files Removal: Clean up 40+ types of junk files.
  • Easy to Use: Easy operation and intuitive user interface.
  • 100% trustworthy: Highly recommended by famous technology websites, like Cult of Mac, Macworld, etc.

media sites

Way 2: If You Want to Remove Junk Files on Mac Manually, Try 8 Tips Here 

There are 8 manual tips that you can employ to remove junk files from your Mac. For those curious about how to clean junk files on Mac manually, these are some useful tips. However, they could be extremely slow for removing junk files. Anyway, here’s the detail of these 8 ways.

Tip 1. Clean Cache And Temporary Files

Cache and temporary files are taking up a large amount of space on your Mac, You can delete them by following these steps. 

  1. Pick ‘Go To Folder’ under GO inside the finder menu. The shortcut would be: Shift + CMD + G.
  2. In the Go To Folder enter: ~/Library/Caches.
  3. Press CMD + A to select all the files in the cache folder. 
  4. Having selected the files, just drag the items to the trash folder.

This step deletes files from one location only. Repeat the process to remove files from multiple locations.

clear mac caches files

Tip 2. Find And Delete Duplicate Files On Mac

Duplicate files are also a big problem among those junk files. Removing them can definitely reclaim more storage for your Mac. Following is the way to find and eradicate duplicate files. Sorting out the files by their size is one of the useful ways to discover the duplicate files on your Mac, just have a look.

  1. Open Finder window.
  2. Go to New Smart Folder from the apple menu. 
  3. There will be a plus button on the top right corner. There, select search parameters according to convenience. Then you can find duplicate files on Mac and delete them.

find and delete duplicates on mac

Tip 3. Delete Unnecessary Disk Images

Some unused disk images from your Downloads folder are also junk files on the Mac. Most of them are useless and just taking up the precious disk space.You should locate and delete them without thinking. Just follow the steps below and clean up those unnecessary disk images.

  1. Go to "Finder" and find the "Download" folder.
  2. Type the "disk image" into the search box to locate all the items on your Mac.
  3. Then delete all the DMG files of the search results.

delete disk images mac

Tip 4. Clear Log Files

Following are the steps to remove log files from your Mac System.

  1. Press Finder>Go>Go To Folder. 
  2. Type “~/Library/logs” and press enter to open the folder.
  3. Select all the files meant to be deleted and press command + backspace. 
  4. As you delete all log files, you should delete them from the trash too and then restart your Mac afterwards.

delete logs on mac

Tip 5. Clean Unused Language Files

Every application on your Mac comes with some languages files for that matter. However, you don't need to use other languages, and those related files are just wasting your space on Mac. You can also take these useless languages files as junks and get rid of them. Here are the detailed steps.

  1. Go to resources folder on your Mac. 
  2. Specify all the file ending with .Iproj.
  3. Every folder contains language files. 
  4. Delete all the languages that you don’t require. 

Be cautious, however, that these steps may seem easy to follow yet one might also end up deleting important files.

delete languages files on mac

Tip 6. Delete System Files

Deleting system files is a gigantic task. You must open multiple folders to empty their contents as you cannot delete the folders. The safer option would be to first copy the folder to another location and then delete them. This step is required to avoid deleting the necessary files.

remove mac system files

Tip 7. Uninstall All Unused Apps

The more apps you install, the more space they will consume on your MacBook, slowing down your system. It’s better to have them completely removed from your computer. Below are the right way to completely uninstall those unused apps on your device.

  1. Go to the Finder on your Mac.
  2. Find the /Applications folder and select those apps you want to uninstall.
  3. You can drag the icon of app to the Trash, or right-click and select “Move to Trash”.


Tip 8. Clean Desktop And Empty Trash Bins

The desktop is profoundly prone to the junk files, so you must clean it regularly. This can be done by moving unwanted files to the Trash and then cleaning up the Trash Bin.

empty trash bin on mac

Way 3: Use Built-in Utility from Mac System to Delete Junk Files

If you have been wondering as to how do I delete junk files on my Mac, there is still another way to get it done. Your Mac is equipped with certain built-in utilities that you can use to detect and delete junk files, which is called Activity Monitor. It can be used for looking for files consuming too much space and then delete them. Here’s how to do it. 

Activity monitor is located in the /Applications/utilities/folder. Below are the simple steps to delete junks by using this built-in utility on Mac.

  • Press command + spacebar to acquire the spotlight search field.
  • Type “activity monitor”.
  • Select the ‘activity monitor’ or simply press the return key when it shows.

Once you are there, you should check those memory-eating junk files and delete them.

activity monitor on mac


Junk files on your Mac need to be deleted regularly, for they are filling up your disk space without doing anything. And the most efficient way to get rif of them is to use Umate Mac Cleaner. It is a very advanced and sophisticated Mac cleaning app that will remove all types of junk files from your device ensuring its durability and optimum speed.

Mac version