Settings | Firefox Help

Permission request messages for Firefox extensions

Learn about permission requests when adding extensions to Firefox. Get details on each request for a clearer understanding.

Last updated: 10/24/24

Add-on Badges

You’ll know if an extension is being regularly reviewed if it has one of the badges listed in this article.

Last updated: 1/15/24

Understanding the risks of installing self-hosted extensions

Learn about the risks of installing extensions from third-parties and how to assess the trustworthiness of the source.

Created: 5/3/19

Extensions in Private Browsing

You can set which Firefox extensions can run in private windows and which can't, when you install the extension or later on. Learn more.

Last updated: 10/26/24

Disable or remove Add-ons

Extensions and themes are types of add-ons for Firefox. This article describes how to disable and remove add-ons in Firefox.

Last updated: 1/23/23

Refresh Firefox - reset add-ons and settings

A Refresh can fix many issues by restoring Firefox to its default state while saving essential information like bookmarks and passwords.

Last updated: 11/20/24

Personalized extension recommendations

Learn more about how Firefox occasionally recommends extensions you may find interesting and how to opt-out.

Last updated: 10/1/22

Recommended Extensions program

Learn how extensions make the cut for the Recommended Extensions program and where they can be found.

Last updated: 10/23/24

Multi-Account Containers

Add Container tabs to Firefox with the Multi-Account Containers add-on, to separate your work and personal browsing.

Last updated: 3/1/24

Tips for assessing the safety of an extension

Here are a few tips for assessing the safety of a third party extension.

Last updated: 10/24/24

Manage optional permissions for Firefox extensions

Learn how you can manage optional permissions for extensions in the Firefox Add-ons Manager.

Last updated: 10/23/24

Find and install add-ons to add features to Firefox

You can install different types of add-ons, such as extensions to add features to Firefox and themes to change its appearance. Learn more.

Last updated: 2 weeks, 3 days ago

Upgrade your graphics drivers to use hardware acceleration and WebGL

Firefox and plugins can use your graphics card to speed things up. To enable this or to fix problems, you may need to update the graphics card drivers.

Last updated: 6/6/22

An extension changed my New Tab page or home page

View and disable extensions or add-ons that change the new tab page or home page.

Last updated: 3/10/24

Use themes to change the look of Firefox

A theme is a type of add-on that changes the visual appearance of Firefox. Learn how to find, install, and manage themes in Firefox.

Last updated: 12/4/23

Use Firefox in another language

How to display Firefox in a different language.

Last updated: 1/8/23

Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems

Learn how to find out if an extension, theme or hardware acceleration is causing a Firefox problem and what steps you can take to fix it.

Last updated: 2/4/24

I found a fake Firefox update

What to do if you spot fake notices claiming to contain an "urgent" or "critical" Firefox update.

Last updated: 6/6/22

Manage extension shortcuts in Firefox

Manage your add-on shortcuts through the Manage Preferences menu in about:addons.

Last updated: 7/8/22

Manage your extensions using the extensions button in the toolbar

This article describes the new extensions button and how to manage your extensions and their permissions directly from the Firefox toolbar.

Last updated: 2 weeks, 1 day ago

Remove a toolbar that has taken over your Firefox search or home page

This article will help you remove unwanted third-party toolbars from Firefox and restore the default search, New Tab and home page settings.

Last updated: 3/10/24

Facebook Container - Prevent Facebook from tracking you on other websites

Facebook Container is an add-on that you can install on Firefox to prevent Facebook from tracking your activity on other websites.

Last updated: 7/9/22

Cannot remove an add-on (extension or theme)

This article describes how to uninstall an extension or theme that can't be removed normally. This includes problematic toolbars and search bars.

Last updated: 3 weeks, 5 days ago

What is search hijacking?

This article describes the types of search hijacking that occur.

Last updated: 2/1/22

Add-on signing in Firefox

Learn about add-on signing and what to do if an extension you want to use could not be verified for use in Firefox.

Last updated: 5 days, 9 hours ago

Why do Java, Silverlight, Adobe Acrobat and other plugins no longer work?

NPAPI plugins, including Adobe Flash Player, no longer load in Firefox. Learn more about this change.

Last updated: 2 weeks, 3 days ago

Built-in themes in Firefox - alternative to complete themes

How to enable Firefox's built-in themes.

Last updated: 11/25/22

Troubleshoot issues related to add-ons

Add-ons can cause issues in Firefox. This article provides more information on how you can troubleshoot Firefox issues related to add-ons.

Last updated: 5/29/21

Why aren’t my add-ons working on some websites?

Learn why some Firefox extensions have been disabled on certain websites, how to manage these limits, and explore alternative solutions.

Last updated: 7/9/23

Why is there an OpenH264 plugin in Firefox?

Firefox comes with the OpenH264 add-on to support WebRTC or video communication.

Last updated: 8/29/24

Access your add-ons with a Mozilla account

The addons.mozilla.org (AMO) site is using Mozilla accounts to offer a more integrated experience across all Mozilla services and products.

Last updated: 7/25/24

How to update add-ons

This article explains how to update your Firefox add-ons from the Extensions panel in the Add-ons Manager.

Last updated: 7/25/19

How is Facebook Container different from Multi-account Containers?

The difference between Facebook Container and Multi-Account Containers

Last updated: 4/6/18

Report extensions and themes for abuse

Discover what constitutes inappropriate content or behavior in an extension or theme, and see how to report any abuse you find.

Last updated: 2 weeks, 1 day ago

Review installed extensions

Reviewing the extensions you have installed periodically can make it harder for malicious extensions to put your security and privacy at risk.

Last updated: 7/1/19

Firefox Translations Add-on

Translate web pages in Firefox when you visit a site that's in another language, without using the cloud.

Last updated: 2/16/24

Unable to install add-ons (extensions or themes)

This article describes various reasons why you are not able to install a Firefox add-on and possible ways to fix the problem.

Last updated: 2 weeks, 3 days ago

Re-enable add-ons that were disabled when updating Firefox

Many add-ons are automatically compatible with the latest Firefox. For those that aren't, we'll show you how to search for new versions or find an alternative.

Last updated: 7/25/24