They’re like these magical power-ups you can add to your Firefox browser to make it even better. Maybe think about using the only super-fast, ultra-private browser that’s backed by a non-profit? No pressure though.
You can choose whatever default browser you want.
Join hundreds of millions of people who choose to protect what's important by choosing Firefox - a web browser designed to be fast, easy to use, customizable and private. Firefox is also the only major browser backed by a non-profit fighting to give you more openness, transparency and control of your life online. When you choose Firefox for Windows as your default browser, you’re choosing to protect your data while supporting an independent tech company. When it comes to your life online, you have a choice: accept the factory settings or put your privacy first. Firefox Browser: fast, private & safe web browser
