Do you want to download a complete Facebook album in one click? Gain unfair advantages on a browser game? View images and videos behind a URL without clicking on it? These are only a few of the functionalities we can add to most browsers, using Greasemonkey scripts.
In early 2015, Firefox integrated Hello, a video communication service that works straight from the browser. Now Hello includes a Firefox instant messaging feature, which we can use to chat with our friends, even if they are on different browsers. Let's see how the Firefox instant messaging works.
Let's say we are at an interesting website, and want to open multiple links. We could middle click or ctrl+click ten times to open ten tabs. Or, we could use one of the extensions below, to open multiple links at once, in Chrome or Firefox.