Add-ons, extensions, and themes

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

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Add-on Badges

Permission request messages for Firefox extensions

Understanding the risks of installing self-hosted extensions

Disable or remove Add-ons

Recommended Extensions program

Extensions in Private Browsing

Filelink for Large Attachments

Personalized extension recommendations

Add-on signing in Firefox

Multi-Account Containers

Find and install add-ons to add features to Firefox

Tips for assessing the safety of an extension

Upgrade your graphics drivers to use hardware acceleration and WebGL

Use Firefox in another language

JavaScript settings and preferences for interactive web pages

Manage optional permissions for Firefox extensions on Android

Get started with the Mozilla VPN extension

Manage your extensions using the extensions button in the toolbar

Permission request messages for Thunderbird extensions

Thunderbird add-ons - frequently asked questions

An extension changed my New Tab page or home page

Cannot remove an add-on (extension or theme)

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

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

Manage optional permissions for Firefox extensions

Use themes to change the look of Firefox

Disable VPN protection for a specific website

Installing an Add-on in Thunderbird

How to add devices to your Mozilla VPN subscription

Unable to install add-ons (extensions or themes)

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

Why is there an OpenH264 plugin in Firefox?

Install themes to change the look of Thunderbird

Facebook Container - Prevent Facebook from tracking you on other websites

Firefox Translations Add-on

On-device AI models in Firefox

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

Get help with Firefox Developer Edition

Access your add-ons with a Mozilla account

Built-in themes in Firefox - alternative to complete themes

Manage extension shortcuts in Firefox

Site Permission Add-ons

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

Use the Save to Pocket extension for Google Chrome

Send plugin crash reports to help Mozilla improve Firefox

How to Customize Toolbars

What is search hijacking?

Lightbeam extension for Firefox is no longer supported

Unable to uninstall add-ons (extensions or themes)

Change your theme in Firefox Focus for Android

X-Mouse Button Control in Firefox 110

Install the Firefox Relay extension in Firefox for Android

Troubleshooting Save Button issues with Pocket Chrome extension

Using the Save to Pocket extension in Microsoft Edge

Change your location for a specific website

A program on your computer interferes with the Mozilla VPN extension

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

Flash-based videos and sound do not play correctly

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

How to update add-ons

How to add the translate add-on to Firefox

Facebook Container isn't working

How is Facebook Container different from Multi-account Containers?

Report extensions and themes for abuse

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

Review installed extensions

Troubleshoot issues related to add-ons

Change your theme in Firefox Focus for iOS

Install the Firefox Relay extension on Firefox for desktop

Recommended Firefox extensions for families and students

Use the Save to Pocket extension for Safari

Using the Pocket Must Reads extension in Google Chrome

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

Integrate Firefox Relay into the Firefox Password Manager

How will DNS work when using the VPN extension?

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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