Is your Mac running out of storage space? Unused applications and hidden files are often the primary cause. Software programs constantly create temporary files to help them load faster.
These temporary files are called cache. Over time, these files pile up into gigabytes of wasted space. They can also become corrupted and cause applications to crash.
You do not need to buy expensive third-party cleaning utilities. Our technicians at Computer Repair Adelaide use built-in tools instead. This overview explains how to safely wipe these files yourself.
What is Application Cache?
When you open an app, it saves temporary data to your hard drive. This data includes images, login details, and temporary files.
The next time you open the app, it loads these local files. This speeds up the program because it does not download the files again.
However, the cache folder continues to grow over time. Eventually, it consumes critical storage space on your solid-state drive. Corrupted cache files can also cause applications to run slowly or crash.
Always back up your Mac completely before deleting any files.
Clear App Cache Files in Finder
Access the Cache Folder
- Open Finder on your desktop.
- Click the Go menu at the top of your screen.
- Select the Go to Folder option.
- Type ~/Library/Caches into the box and press Enter.
Delete the Temporary Files
- Look through the folders inside this directory.
- Open a folder for an app you want to clear.
- Drag the files inside that folder to your Trash.
- Keep the main folders; only delete the files inside them.
- Restart your Mac.
- Empty your Trash to reclaim the storage space.
Clearing Web Browser Cache
Web browsers are often the biggest storage consumers. Wiping their caches is very safe and frees up space quickly. Always clear your browser cache through the browser settings rather than the Finder.
Empty the Safari Cache
Click the Develop menu at the top of your screen and select Empty Caches. If you do not have a Develop menu, open your Safari Settings. Go to the Advanced tab and tick the box next to Show features for web developers to activate it.
Clear the Google Chrome Cache
- Open Chrome and press Command + Shift + Delete together.
- Check the box for “Cached images and files.”
- Click the “Clear data” button.
Clear the Firefox Cache
- Open Firefox settings and select the Privacy & Security panel.
- Scroll down to the Cookies and Site Data section.
- Click the “Clear Data” button.
- Check the box for “Cached Web Content” and click “Clear.”
Risks of Deleting System Files When Clearing Application Cache
The Danger of Wiping System Cache
Never delete files from the /System/Library/Caches or /Library/Caches folders. These directories contain critical operating system files. Deleting them can cause your Mac to crash or refuse to boot. You might corrupt essential system settings permanently.
Precautions to Take Before Deleting
Manual Cache Removal and Leftover Files of Deleted Applications
Why Deleting an App Leaves Cache Behind
Finding Leftover App Files
Different apps store their cache files in different folders. You can find them in the Caches or Application Support directories. Open Finder and select the Go to Folder option. Copy and paste each of these paths to look for leftovers:
- ~/Library/Caches
- ~/Library/Application Support
- /Library/Caches
- /Library/Application Support
Check any folders matching the deleted app’s name. Drag those specific files to your Trash to clean them out.
Third-Party Cleaning Apps To Clear App Cache
The Convenience of Auto-Cleaners
These applications offer a very fast way to clear gigabytes of junk files. They scan your entire system in just a few seconds. They can also find duplicate files and unneeded items automatically. This saves you from digging through hidden system directories yourself.
The Downsides of Automated Cleaning
However, these automated tools have several notable drawbacks. They can mistake essential database files for useless junk. Deleting these database files can corrupt your applications.
Furthermore, many cleaners run constantly in the background. This uses valuable processor power, causing even more slowdowns. Most of these apps also require expensive monthly subscriptions.
Professional Mac Maintenance in Adelaide
Manually digging through hidden system files can be stressful. If you delete the wrong file, your software might stop working completely.
At Computer Repair Adelaide, we provide professional macOS cleaning and maintenance services. Our technicians safely clean out corrupted files to free up gigabytes of storage. We also resolve system bottlenecks and make your computer run faster. Contact us today to get your Mac running like new again.
Frequently Asked Questions About Mac App Cache
Your Mac will temporarily run a bit slower as applications rebuild those files. However, you will immediately free up valuable storage space. Your apps will eventually return to their normal speeds as you use them.
No, clearing your cache will not delete your saved passwords. macOS stores your login credentials securely inside the Keychain app. Wiping temporary cache files does not touch this secure password data.
It is safe to delete files inside your personal user folder (~/Library/Caches). However, never empty the main /Library/Caches or /System/Library/Caches folders. Deleting those can cause critical system errors.
No, clearing your application cache will not log you out of your accounts. Login sessions are stored in cookies rather than cache files. Wiping the cache only removes temporary media and images.
