Eraser Deletes All Private Data And Closes All Tabs With A Click

Install Eraser extension from Mozilla add-on site and restart your Firefox. It will add an Eraser-button in toolbar. If not, right-click on the toolbar, select ‘customize’, and drag and drop Eraser icon into the toolbar. To delete your private data or close all opened tabs, just click this button. From the Eraser preferences (click on the Eraser button), you can select which item you need to delete.