Sorry Palemooners – Not available for Firefox 24.9
Got your tinkers hat ready? Then here is something to play around with.

” … The new Firefox add-on Priv8 adds sandboxed tabs to the web browser using the security model of Firefox OS. It enables you to run select tabs in a sandbox which separates it and its data from the rest of the browser and other tabs. Please note that it has been released as a proof of concept right now. … “

Source: gHacks Tech News
Review  Priv8 adds sandboxed tabs to Firefox