
Pressing that button still leaves a homepage tab open, and so does not close the browser. Click on the Close All Tabs button to close them. When you have restarted Firefox, there will be an X Close All Tabs button at the top right of the window. To add Closed All Tabs to Firefox, open this page and click on the + Add to Firefox > Install Now buttons. That Firefox add-on is Closed All Tabs (Reloaded). Firefox also has an add-on with which you can close all its open page tabs with a single click. In a previous article, I’ve already covered how you can close all the Google Chrome page tabs at once.
