I built [1] for the reason to save and restore the browsing tabs. It has export and import sessions feature as a by product. [2] also has a test list mode on

I built [1] for the reason to save and restore the browsing tabs. It has export and import sessions feature as a by product. [2] also has a test list mode on tabs. [1] https://addons.mozilla.org/en-US/firefox/addon/session-boss/ https://addons.mozilla.org/en-US/firefox/addon/session-boss/ [2] https://addons.mozilla.org/en-US/firefox/addon/tip-tab/ https://addons.mozilla.org/en-US/firefox/addon/tip-tab/