We know that next to Google Chrome, The Most widely used browser is Mozilla Firefox. Its been widely used because of its Privacy Policies and Its Features. Let us see its Best add-ons to remain anonymous and, to get useful informations 1. FoxyProxy Standard : This advance proxy management add-on for the Firefox internet browser supplements the built-in proxy capabilities of Firefox. The add-on switches the user’s internet connection over one or more proxy servers based on the URL patterns and has many other features as well. 2. Firebug : This tool allows the user to debug and edit JavaScript, HTML and CSS live on a webpage and see the changes take effect. The add-on is useful for analysing JavaScript files for XSS vulnerabilities. 3. Web Developer : This add-on helps in penetration testing by adding various web development tools to Firefox. 4. User Agent Switcher : This add-on is useful if you want to spoof your browser w...