12 Best Firefox Extensions and Add-ons in 2025

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Are you looking for Firefox extensions that will help you take your browser experience to the next level? Look no further.

Extensions and add-ons can enhance your browsing experience and help you do everything from managing your passwords to recording your screen.

If there's some functionality you're missing in Firefox, chances are you can add what you need through an extension.

This article will break down how to install and manage extensions. It will also show the best extensions and add-ons available for Firefox in various categories.

Read on to learn how to get the most out of your Firefox browsing experience.

What are Firefox extensions (also called Firefox add-ons)?
Firefox extensions, formerly known as Firefox add-ons, are small programs that run within your web browser to extend its functionality.

For example, Privacy Badger is an extension you can install albania phone number data on Firefox to prevent invisible tracking scripts from tracking your every move online.

Firefox extension Privacy Badger
Privacy Badger extension.
By installing it and adding it to Firefox, you add that extra functionality and change your browsing experience.

There are all kinds of extensions that can add different functions to your Firefox browser.

For example, you can use them to take screenshots, rearrange your Firefox tabs, check your grammar, set dark mode on each website, and more.

If you want a little more from Firefox, and are thinking about switching browsers, a Firefox extension might help.

These extensions and add-ons are available in the public Firefox extensions library and elsewhere online.

You can easily download and install them from Firefox with just a few clicks – more on that later.