Download Firefox Systems and Languages What's New Privacy Give Firefox a tune up Refresh Firefox How does it work? Download a fresh copy Install and manage add-ons सबै All articles and threads In English Permission request messages for Firefox extensions Add-on Badges Understanding the risks of installing self-hosted extensions Refresh Firefox - reset add-ons and settings Disable or remove Add-ons Extensions in Private Browsing Recommended Extensions program Find and install add-ons to add features to Firefox Personalized extension recommendations Multi-Account Containers Tips for assessing the safety of an extension Manage your extensions using the extensions button in the toolbar An extension changed my New Tab page or home page Manage optional permissions for Firefox extensions Add-on signing in Firefox Manage extension shortcuts in Firefox Use Firefox in another language Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems Cannot remove an add-on (extension or theme) Use themes to change the look of Firefox Unable to install add-ons (extensions or themes) Facebook Container - Prevent Facebook from tracking you on other websites Built-in themes in Firefox - alternative to complete themes Reporting extensions and themes for abuse Why do Java, Silverlight, Adobe Acrobat and other plugins no longer work? Site Permission Add-ons Access your add-ons with a Mozilla account How to update add-ons Review installed extensions Firefox Translations Add-on Why aren’t my add-ons working on some websites? Re-enable add-ons that were disabled when updating Firefox Flash-based videos and sound do not play correctly Why is there an OpenH264 plugin in Firefox? How to add the translate add-on to Firefox How is Facebook Container different from Multi-account Containers? Lightbeam extension for Firefox is no longer supported Troubleshoot issues related to add-ons Recommended Firefox extensions for families and students