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Add-ons, extensions, and themes

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

Recommended Extensions program

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

Use Firefox in another language

JavaScript settings and preferences for interactive web pages

Get started with the Mozilla VPN extension

Cannot remove an add-on (extension or theme)

Firefox Translations Add-on

A program on your computer interferes with the Mozilla VPN extension

Send plugin crash reports to help Mozilla improve Firefox

Access your add-ons with a Mozilla account

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

Get help with Firefox Developer Edition

Lightbeam extension for Firefox is no longer supported

Site Permission Add-ons

Disable VPN protection for a specific website

How will DNS work when using the VPN extension?

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

Disable or remove Add-ons

Unable to install add-ons (extensions or themes)

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

Find and install add-ons to add features to Firefox

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

Use themes to change the look of Firefox

Flash-based videos and sound do not play correctly

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

Why is there an OpenH264 plugin in Firefox?

What is search hijacking?

How to update add-ons

Built-in themes in Firefox - alternative to complete themes

An extension changed my New Tab page or home page

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

Personalized extension recommendations

Extensions in Private Browsing

Manage extension shortcuts in Firefox

Review installed extensions

Facebook Container - Prevent Facebook from tracking you on other websites

Troubleshoot issues related to add-ons

Manage optional permissions for Firefox extensions

Recommended Firefox extensions for families and students

Manage your extensions using the extensions button in the toolbar

X-Mouse Button Control in Firefox 110

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

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

On-device AI models in Firefox

Illustration of hands

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