We’ve made a guide to getting started on App Cleaner & Uninstaller. Now it’s easier for you to uninstall programs completely, find junk files and change login items or other system extensions. This guide will help you to get acquainted with the tool quickly, securely and reliably. It includes how to uninstall programs, how to remove remains, how to change startup programs and how to manage system extensions and default apps.

Get the general information about your apps, extensions and other items

Just launch App Cleaner & Uninstaller and it will automatically start scanning your hard drive. In several seconds, you will see the scan results and the Overview information about the number and total size of apps installed on your Mac, extensions, startup programs, and the total size of all remains on your hard drive. With App Cleaner & Uninstaller, you can remove any item we’ve mentioned.

On the left side, you can see the categories of items that App Cleaner & Uninstaller allows you to manage:

  • Applications
  • Startup Programs
  • Extensions
  • Remaining Files
  • Default Apps
how to uninstall

Uninstall applications

The Applications section provides you with the opportunity to uninstall programs on Mac completely without a single remain of its cache files. The list of all apps installed on your Mac is displayed in the left section. Click the Expert mode to view the list of all the service files of each application, caches, preferences, supported document types, crash reports and all other service files. They are displayed in the right section of the window.

uninstall program

To uninstall an app completely, you should remove all its service files and the executable item. First, select the application. Then click the Uninstall button. Or, if you are in the Expert mode, tick the checklist near the app and click the Remove button.

You will see the confirmation window with a list of all files to be removed. Confirm the app removal by clicking the Remove button.

how to uninstall an application
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*Some of your files may be locked. In this case, the application will require your confirmation and will show the appropriate message. Click the Confirm button to allow the application to remove unneeded files.

appcleaner preferences
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Disable or enable startup programs

In the Startup Programs section, you can easily change login items and launch agents and stop programs from launching automatically at Mac startup. For this, use the switch button. If you don’t want the app to run at Mac startup, switch the item off. If you use App Cleaner & Uninstaller Pro, you even have the possibility of removing some extension items.

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Remove unwanted extensions

In the Extension section, you find a list of all system extension files in your Mac operating system: installation files, web browser extensions, screen savers, preference panes, Internet plugins and widgets.

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Find and remove remaining files

When you remove apps the regular way by just dropping them in the Trash bin, their service files still remain on your Mac. These leftovers can be found in the Remaining Files section. To get rid of them, select the files and click the Remove button.

mac os clean uninstall app

Change default apps

There are built-in apps in your macOS to use for every file you want to open. But you may have your personal preferences for completing some tasks. In the Default Apps section, you can easily select which default app you want to set for different types of file extensions. Select the extension on the left and then choose the default application for this extension on the right.

uninstall tool setup

Now you know how to quickly clean up your Mac computer with App Cleaner and manage startup items.

App Cleaner is your efficient tool to uninstall unused applications and prevent unneeded files from cluttering up your disk.


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