Stealther - Mozilla Firefox Extension

Download (version 1.0.9, working on FF 3.7, sandboxed on Mozilla site due to general change of addon policies which require a full rewrite)

If there are times you want to surf the web without leaving a trace in your local computer, then this is the right extension for you. What it does is temporarily disable the following:

None of the affected options gets cleared totally as opposed to some other extensions which enable you to wipe these privacy issues with a single click, but at the same time leaving you without the history of your frequently visited websites.