One of the biggest features and strength of the Firefox web browser is its extensions engine and the support it receives from the Firefox community. Users find thousands of different add-ons for virtually any purpose in the official extensions gallery over at Mozilla. Mozilla tries its best to promote popular and interesting add-ons, but the sheer amount makes that attempt more or less futile.

The best Firefox security add-ons is a guide for Firefox users who want to improve their web browser’s security and protection from attacks on today’s Internet. That does not necessarily mean that you need to install all of the add-ons to protect your browser from malicious attacks, as some may only be useful if you visit specific websites or types of sites regularly.