tabsleeper

Lightweight tab management Tabsleeper lets you sleep windows and tabs, putting them somewhere safe and closing the window. When you’re ready, you can wake them and pick up exactly where you left off

Tabsleeper is a Firefox add-on that allows you to sleep Firefox windows and tabs, putting them somewhere safe and closing the window. When you’re ready, you can wake them and pick up exactly where you left off. It eases the load on your computer, saving battery, and making it faster overall. You can manage different sessions, keeping your browsing tidy and organised. Plus, everything is saved locally for privacy. Never again get frustrated by tab overload. Sleep it away and you can always come back to it later. Or not.