Add-ons, extensions, and themes

Enhance product functionality with add-ons, extensions, and themes.

In English

Add-on Badges

Permission request messages for Firefox extensions

Understanding the risks of installing self-hosted extensions

Disable or remove Add-ons

Extensions in Private Browsing

Personalized extension recommendations

Recommended Extensions program

Filelink for Large Attachments

Find and install add-ons to add features to Firefox

Add-on signing in Firefox

Multi-Account Containers

Tips for assessing the safety of an extension

Upgrade your graphics drivers to use hardware acceleration and WebGL

Manage your extensions using the extensions button in the toolbar

Use Firefox in another language

Permission request messages for Thunderbird extensions

Thunderbird add-ons - frequently asked questions

Get started with the Mozilla VPN extension

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

Manage optional permissions for Firefox extensions

An extension changed my New Tab page or home page

Cannot remove an add-on (extension or theme)

JavaScript settings and preferences for interactive web pages

Manage optional permissions for Firefox extensions on Android

Use themes to change the look of Firefox

Installing an Add-on in Thunderbird

Why does Mozilla disable some add-ons from running in Firefox?

Send plugin crash reports to help Mozilla improve Firefox

Manage extension shortcuts in Firefox

Firefox Translations Add-on

Facebook Container - Prevent Facebook from tracking you on other websites

A program on your computer interferes with the Mozilla VPN extension

Unable to install add-ons (extensions or themes)

How to Install and Use another Language in the Dictionary on Thunderbird

Access your add-ons with a Mozilla account

Install themes to change the look of Thunderbird

Site Permission Add-ons

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

How to add devices to your Mozilla VPN subscription

Get help with Firefox Developer Edition

How to update add-ons

Built-in themes in Firefox - alternative to complete themes

Report extensions and themes for abuse

Disable VPN protection for a specific website

How to Customize Toolbars

How to add the translate add-on to Firefox

Review installed extensions

Lightbeam extension for Firefox is no longer supported

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

Use the Save to Pocket extension for Google Chrome

How will DNS work when using the VPN extension?

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

Flash-based videos and sound do not play correctly

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

Certificates

Add-Ons FAQ

How can I digitally sign and encrypt emails?

Installing and Using another Language in the Dictionary

Uninstall Firefox for Android extensions

Why is there an OpenH264 plugin in Firefox?

What is search hijacking?

Facebook Container isn't working

How is Facebook Container different from Multi-account Containers?

Unable to install add-ons (extensions or themes) in Thunderbird

Install system add-ons on Firefox for Enterprise

Block add-ons in Firefox for Enterprise

Troubleshoot issues related to add-ons

Unable to uninstall add-ons (extensions or themes)

Change your theme in Firefox Focus for Android

Change your theme in Firefox Focus for iOS

Install the Firefox Relay extension on Firefox for desktop

Recommended Firefox extensions for families and students

X-Mouse Button Control in Firefox 110

Install the Firefox Relay extension in Firefox for Android

Install the Pocket extension in your browser

Use the Save to Pocket extension for Safari

Troubleshooting Save Button issues with Pocket Chrome extension

Using the Pocket Must Reads extension in Google Chrome

Using the Save to Pocket extension in Microsoft Edge

Using the Save to Pocket extension in Brave, Opera and Vivaldi

Integrate Firefox Relay into the Firefox Password Manager

Change your location for a specific website

What to do if another extension interferes with the Mozilla VPN extension

Manage the VPN extension preferences

Orbit Frequently Asked Questions

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