AutoDeleteCookie v3.999.9999
This is a modified version of the Firefox extension Cookie AutoDelete (https://github.com/Cookie-AutoDelete/Cookie-AutoDelete). The only difference between the two extension is, AutoDeleteCookie will delete all cookies ,including cookies of other tabs or sites (Localstorage will also be deleted if you set including Localstorage as well) every time you close a tab, while the original Cookie AutoDelete will check if there is opened tabs belonging to the same domain as the closed tab before deleting cookies releted to the closed tab (Localstorage will also be deleted if you set including Localstorage as well).