Firefox being one of the most popularly used Web Browsers, It needs to have something unique that no other web browser has to offer and that is customization. Mozilla Firefox comes with a free add-on that let’s you customize the look and feel of your web browser, This add-on is called Personas. Millions of personas have been created by users and some of them are from the Mozilla foundation itself. Creating one for yourself is very easy and all you require is a Firefox Web Browser and a Image Editor (Any Software). Make sure the size of the image is fitted to 3000 X 200 (Pixel Wise). Watch the video to see How it is created and let me know if you have any questions.