How to clean Cache files on your Mac

Maria Chebyniak
7 min readMay 15, 2020

You’ve probably heard and seen the term “cache” used on your Mac but do you know what it is?

Cache files are basically temporary data stored on your hard drive and used to speed up processes. For instance, Safari will download images on a webpage into cache so that next time you visit the site you don’t have to download the images again.

How are cache files different from cookies?

Cookie files are tiny members of the big cache family. This form of cache is collected by your browser to remember previously visited websites. Cookies collect the details of your visit, its duration, actions on a page, etc. Advertisers also use these to follow you around the internet. However annoying they are, cookies are a part of internet reality that we cannot help but “Accept”

There are many reasons to remove old cache from your MacBook and disk space issue is only one of them. So what are the other benefits?

  • Fixing issues with laggy web pages that load outdated content
  • Removing personal data stored by websites and applications.
  • You need to force-delete outdated cache from an app.

Are you ready to reclaim space on your Mac? Let’s go!

What are the main cache types?

There are roughly three main types of caches you can clean on your Mac:

  • System cache
  • User cache (including app cache and DNS cache)
  • Browser cache

This article will go over cleaning up all three.

Potential space reclaimed from junk — Up to 70%

As you can see, a single user cache folder on my computer takes up enormous 1.6 GB of space. And that’s just one folder out of hundreds. That means a good cleaning could free up gigabytes of free space and speed up your Mac in the process.

To clear your user cache, do the following:

  1. Open a Finder window and select “Go to Folder” in the Go…



Maria Chebyniak

Crafting bespoke eLearning for IT / Healthcare. Innovating digital education for growth.