Install either Greasemonkey or Tampermonkey, depending on your browser, to serve as your user script manager.
Written by third-party developers in the JavaScript programming language, the functionality of these scripts range from downloading entire Facebook and Instagram albums in one click to completely revamping Pandora's look and feel. These powerful add-ons let you choose from thousands of unique user scripts that modify the behavior or appearance of a web page. Greasemonkey and Tampermonkey are free extensions that significantly enhance your web browser's capabilities.
