Q: I heard from my friend that clear cache will free up some space on my Mac but I don’t know how. Can you help? Thanks!

A: If you are searching online for the different ways on how to clear cache on Mac with Mac Terminal well you are on the right page.

Today I will give you the complete guides on how to delete cache on Mac and get the most out from your Mac, especially you can free try an auto tool to remove caches in just a few clicks. Read along!

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Contents: Part 1. Frequently Asked Questions about CachesPart 2. How Do I Empty My Cache on A Mac in One-click?Part 3. How to Clear Cache on Mac Manually with Mac Terminal?Part 4. Conclusion About Clearing Cache

Part 1. Frequently Asked Questions about Caches

1. What Is Cache on Mac?

A cache is a collection of temporary files made by Mac as well as the other applications you use. Storing these caches will help you save and hasten processes. Like for example, when you are searching Safari for the first time, the system will already take cache or download images from the specific webpage you visited so the next time you head on to that page, Safari will not have to download the images again.

The same thing happens to your mobile and iPad; the iOS will use cache to speed up the application process. And at the end, you must want to clean your application cache on your Mac to free up space. Over time, caches build up and will consume a large amount of space that may affect the speed performance of the device. So it's necessary to learn how to clear the cache on Mac in this post.

Clear Cache on Mac

2. What Are the Main Types of Caches?

Before learning how to clear cache on Mac, let's first talk about what the main types of caches are. There are 3 types of cache on Mac namely: System Cache, User Cache, and Browser Cache. User Cache usually contains apps cache and DNS cache. These 3 can be deleted or cleared but they are located in different folders on your system and might require technicalities at some point.

3. Where Are Caches Located on Mac?

Actually, you can locate the User Cache (app cache) in ~/Library/Cachesfolder. Each app has its dedicated folder and you can simply find that in the corresponding folders.

4. Is It Safe to Clear Cache on Mac?

Is it safe to clear the cache on Mac? Yes. Caches help you smoothly browse websites and run your apps. What happens if you clear cache? Well, it just deletes some basic information and can be recreated again if the system needs these caches. So it's safe to clear the cache on Mac normally. You can start clearing the cache on Mac if you follow the step by step guide religiously. Make sure are get yourself familiarized with the system folders before you head on and start deleting caches.

Should I clear cache on Mac? Most of the applications stored by caches are relatively smaller but piles up later on and accumulating space. So you need to clear cache on Mac to free up space. There are 2 main methods to do that, the first is to do it manually if you have quite a background and secondly, by using a program to automatically and safely do the task for you.

How to Clear Cache on Mac

Part 2. How Do I Empty My Cache on A Mac in One-click?

If you don’t like to perform the rest of the clearing processes, then learn how to clear cache on Mac using a single click program. To better and safely deleted caches on Mac, use iMyMac PowerMyMac.

This is the best and highly recommended software for you to have the best-performing Mac device. This program simply runs and diagnoses the status of your Mac. Here are some notable features of PowerMyMac:

  • Deletes Unnecessary files
  • Removes Junk Files
  • Erase Large files
  • Shreds Files
  • Uninstall unneeded folders

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It works pretty much as an all-in-one solution for your Mac. So if you are planning to get some space on the Mac, use PowerMyMac to clear cache on Mac safely:

  1. Firstly, you need to download and install PowerMyMac from its official website, then launch it on your Mac.
  2. Find and click the Junk Cleaner among the options on the left. Let the program scan the entire Junk Files on your Mac.
  3. Preview all the cache files and selectively choose the cache files to be deleted.
  4. Click the CLEAN button, then just wait until the cleaning process finishes.

Clear Cache on Mac Using PowerMyMac

Junk Cleaner is designed to clear all kinds of system junk like System Logs, System Cache, User Logs, Application Cache, Photo Cache, Email Cache, Email Attachments, iTunes Backups, iTunes Downloads, iTunes Cache, Software Updates, and System Trash.

You will be confident to use PowerMyMac because it will give you hints on the unnecessary files that can be deleted. For the best result, ensure a backup first prior to clearing caches on Mac. This is just a precaution in case you may have deleted important files while in the process. You can use Apple’s own Time Machine or use your favorite backup program.

Part 3. How to Clear Cache on Mac Manually with Mac Terminal?

How do I clear my cache and cookies on Mac manually? We will give you the full steps on how to clear cache on Mac manually. First we will guide you on how to delete User cache.

1. Delete System and User Cache:

Follow these steps to remove User Cache:

  1. Open the Finder window and click “Go to Folder” from the Go menu.
  2. Enter ~/Library/Caches.
  3. Go into each of the folders and clean out everything.

Manually Clean Cache on Mac

Delete System and app Cache:

  1. Go to ~/Library/Caches.
  2. Open the folders for each system file and application.
  3. Delete the files inside the folders only.

Flush DNS Cache with Mac Terminal:

DNS cache saves the domain (website names) and translates it to IP addresses. You can also manually flush the DNS to ensure that all the websites you visit are working perfectly. Here is how to clear cache on Mac with Terminal:

  1. Type “terminal” on Spotlight.
  2. Type these commands and enter: sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder; say cache flushed

2. Clear Browser Cache:

How to clear cache on Mac Chrome:

  1. Launch the Chrome Browser, then find and click on the 3-dot icon located at the top right corner of the browser.
  2. Find and click on Settings. Click Advanced.
  3. Click “Clear browsing data”.
  4. Only check the Cached images and files box. For the frequency, choose All time.
  5. Click on the “Clear data” button.
  6. After clearing the caches on Chrome, close the browser and reopen.

How to Clear Cache on Mac Chrome

How to Clear Cache on Mac Safari:

  1. Launch Safari, then find and click Preferences.
  2. Go to the Advanced tab to enable the Show Develop menu in the menu bar.
  3. Scroll down and click the Develop menu.
  4. Click Empty caches.
  5. Close and then reopen the Safari browser after clearing caches.

How to Clear Cache on Mac Firefox:

  1. At the top right corner of the browser, find and click the burger-like icon.
  2. Click Privacy & Security, scroll and click "Cached web content".
  3. Click Clear Now to delete caches.
  4. Exit browser and re-open.
  5. Set the time range to ‘everything’ and limit the cache size in MB by checking the Override Automatic Cache Management box.

Clear Cache on Mac Firefox


We recommend that you remove the files from the folders, but not the folders themselves. You can also copy everything to a different folder if you are not confident enough just to make sure you have traces when something goes wrong.

After you have finished clearing cache on Mac, don’t forget to empty the Trash folder too. Most of the time, the trash folder contains larger file sizes than the one you are currently using.

Part 4. Conclusion About Clearing Cache

You have just learned the different methods on how to clear cache on Mac. To recap, you can erase cache manually by going over to each folder and erase the contents inside but not the main folder itself.

If you use iMyMac PowerMyMac, the process is refined and more accurate because the program understands which files are okay to remove and which are not. For better results and less headache, choose to download iMyMac. This is the best and highly recommended PowerMyMac with the free download version. Download yours now!