How to uninstall Chromium browser manually How to uninstall Chromium with a few clicks.This is a special uninstaller that will help you to completely uninstall any application from Mac along with their caches, logs, login items, preferences and browsers extensions. If you do not have time to explore what macOS catalog system is, but you need to quickly uninstall Chromium with all its system files and folders, switch to the automatic removal method and uninstall the app using App Cleaner & Uninstaller tool.