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See How to Add, Disable, and Remove Firefox Extensions

Firefox makes it easy to add, disable, and remove add-ons, including extensions and themes.

Apps in this Guide

With Firefox add-ons, you can add small bits of software called extensions to Mozilla's browser to handle specific tasks, such as storing passwords or watching for shopping deals on Amazon, and addmore

With Firefox add-ons, you can add small bits of software called extensions to Mozilla's browser to handle specific tasks, such as storing passwords or watching for shopping deals on Amazon, and add themes to change the look of your browser.

With the release of Firefox Quantum 57, Mozilla moves its browser to a new plugin structure based on the WebExtensions standard, making Firefox plugins in large part compatible with extensions for Google Chrome and Microsoft Edge. If you are making the jump to Firefox 57, here's how to add, disable, and remove extensions.

For what's new in Firefox Quantum, check out our updated browser reviews for Windows, Mac, and Android. And to discover the best Firefox add-ons, explore our new guides on productivity; privacy, security, and password managers; shopping; and themes.

Frequently Asked Questions

What are Firefox add-ons?
Firefox add-ons let you add themes to change the appearance of your browser and extensions that can handle small tasks for you. Firefox extensions range from password managers and tracker blockers to shopping helpers and to-do lists.
How do I find and add a Firefox 57 extension or theme?
In Firefox, click the menu button over on the right side of the toolbar, select Add-ons, scroll to the bottom of the page, and then click See more add-ons. On Firefox’s add-on page (https://addons.mozilla.org/en-US/firefox/), you can see extensions, themes, and collections. To add an extension, click the link to add-on’s page, click Add to Firefox, and then click Add.
How do I disable or remove Firefox extensions?
After adding an extension, if you change your mind, you can easily disable or remove it. Click the menu button on the far right side of the toolbar and click Extensions. On this page, you see a list of your add-ons, with a Disable, Remove, and possibly Preferences buttons to their right. You can double-click an add-on on this page to get more information about it and set how it receives updates. If you control-click a Firefox extension icon on the toolbar, you can move the icon to the Overflow menu or remove it completely from the toolbar.

Firefox for Windows and Mac

Firefox

Firefox

Mozilla's Firefox browser takes your privacy seriously and gives you control over your personal data. Firefox has a lot going for it: You can add small pieces of software to extend what Firefox can do, sync your data across browsers, choose your favorite search engine, manage passwords, and more. And the newest version of Firefox feels fast, at least on par with Google Chrome.