This is a list of some of the many available Firefox extensions, or software add-ons designed for Mozilla Firefox-based web browsers. Many Firefox extensions work in the SeaMonkey web browser as well as the Pale Moon web browser as well as the Thunderbird e-mail client.
Some plug-ins mentioned in other categories at this page (such as AdBlock/AdBlock Plus) will also increase security. Also, Tor, Torbutton, and Torlauncher aren't mentioned as they are not simply plugins for Firefox but instead only work on modified Firefox versions Besides these add-ons, changing settings in Firefox-Preferences and in about:config also will help with privacy and security.
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