Download Firefox Systems and Languages Novetats Privacy Give Firefox a tune up Refresh Firefox How does it work? Download a fresh copy Install and manage add-ons Add-ons let you customize and add features to Firefox. Tot All articles and threads Personalització del Firefox amb complements In English Understanding the risks of installing self-hosted extensions Add-on Badges Permission request messages for Firefox extensions Personalized extension recommendations Recommended Extensions program Tips for assessing the safety of an extension Refresh Firefox - reset add-ons and settings Disable or remove Add-ons Extensions in Private Browsing Manage your extensions using the extensions button in the toolbar Multi-Account Containers An extension changed my New Tab page or home page Use themes to change the look of Firefox Add-on signing in Firefox Reporting extensions and themes for abuse Facebook Container - Prevent Facebook from tracking you on other websites Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems Firefox add-on technology is modernizing Built-in themes in Firefox - alternative to complete themes How is Facebook Container different from Multi-account Containers? Manage extension shortcuts in Firefox Cannot remove an add-on (extension or theme) Unable to install add-ons (extensions or themes) Access your add-ons with Firefox accounts Review installed extensions Re-enable add-ons that were disabled when updating Firefox How to update add-ons Frequently asked questions - Firefox add-on technology is modernizing Lightbeam extension for Firefox is no longer supported Troubleshoot issues related to add-ons Manage Optional Permissions for Extensions Recommended Firefox extensions for families and students Site Permission Add-ons