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Add-ons, extensions, and themes

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Add-ons, extensions, and themes

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

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About Add-on Badges

About permission request messages for Firefox extensions

Disable or remove Add-ons

Understanding the risks of installing self-hosted extensions

Extensions in Private Browsing

Find and install add-ons to add features to Firefox

JavaScript settings and preferences for interactive web pages

Recommended Extensions program

On-device AI models in Firefox

Upgrade your graphics drivers to use hardware acceleration and WebGL

Extension data collection

Personalized extension recommendations

Add-on signing in Firefox

An extension changed my New Tab page or home page

Multi-Account Containers

Get started with the Mozilla VPN extension

Facebook Container - Prevent Facebook from tracking you on other websites

Manage optional permissions for Firefox extensions

Site Permission Add-ons

Cannot remove an add-on (extension or theme)

How to update add-ons

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

Send plugin crash reports to help Mozilla improve Firefox

Tips for assessing the safety of an extension

Use Firefox in another language

What is search hijacking?

Manage your extensions using the extensions button in the toolbar

Disable Mozilla VPN protection for a specific website

Unable to install add-ons (extensions or themes)

Get help with Firefox Developer Edition

Access your add-ons with a Mozilla account

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

Report extensions and themes for abuse

Manage extension shortcuts in Firefox

X-Mouse Button Control in Firefox 110

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

Built-in themes in Firefox - alternative to complete themes

How to add the translate add-on to Firefox

Facebook Container isn't working

How is Facebook Container different from Multi-account Containers?

Review installed extensions

Lightbeam extension for Firefox is no longer supported

Troubleshoot issues related to add-ons

Firefox Translations Add-on

Recommended Firefox extensions for families and students

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

How will DNS work when using the VPN extension?

A program on your computer interferes with the Mozilla VPN extension

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

Manage the Mozilla VPN extension preferences

Harmful add-on protection

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