This addon allows you to enable and disable use of a proxy, which was manually specified in the browser settings.
What is Proxy activator?
Proxy Activator is a Firefox add-on that allows you to enable or disable the use of a manually specified proxy in the browser settings. Easily manage your browser proxy settings with the click of a button.
Proxy activator is relatively safe to use as it requires very minimum permissions.
Proxy activator has earned a fairly good reputation and likely can be trusted.