AppZapper

On a Mac, you typically uninstall apps by dragging them to the Trash. Unfortunately, leftover files and traces often remain from uninstalled apps. AppZapper makes sure the entire application is removed. All you need to do is download and install AppZapper. Then simply drag the apps you want to uninstall from your Mac into AppZapper. AppZapper is free to try and costs $13 for the full version. Download AppZapper for free here. AppZapper is a smart, lightweight utility for Mac users that lets you completely remove installed applications using drag-and-drop.Download AppZapper 

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