On chrome it's "Tab Cookies": https://chrome.google.com/webstore/detail/tab-cookies/iahecghojagkcoehfhfknajofkokndjm https://chrome.google.com/webstore/detail/t

On chrome it's "Tab Cookies": https://chrome.google.com/webstore/detail/tab-cookies/iahecghojagkcoehfhfknajofkokndjm https://chrome.google.com/webstore/detail/tab-cookies/iahecg... On firefox, "Self destructing cookies": https://addons.mozilla.org/en-US/firefox/addon/self-destructing-cookies/ https://addons.mozilla.org/en-US/firefox/addon/self-destruct... You're welcome :)