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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

Understanding the risks of installing self-hosted extensions

Extensions in Private Browsing

Find and install add-ons to add features to Firefox

Disable or remove Add-ons

Personalized extension recommendations

Recommended Extensions program

On-device AI models in Firefox

JavaScript settings and preferences for interactive web pages

Multi-Account Containers

Add-on signing in Firefox

Upgrade your graphics drivers to use hardware acceleration and WebGL

Use Firefox in another language

Get started with the Mozilla VPN extension

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

Manage your extensions using the extensions button in the toolbar

Tips for assessing the safety of an extension

Facebook Container - Prevent Facebook from tracking you on other websites

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

An extension changed my New Tab page or home page

Manage optional permissions for Firefox extensions

Cannot remove an add-on (extension or theme)

Use themes to change the look of Firefox

Change your location for a specific website

Extension data collection

Access your add-ons with a Mozilla account

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

Manage extension shortcuts in Firefox

A program on your computer interferes with the Mozilla VPN extension

Send plugin crash reports to help Mozilla improve Firefox

How to update add-ons

How to add the translate add-on to Firefox

Site Permission Add-ons

Disable Mozilla VPN protection for a specific website

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

Report extensions and themes for abuse

Review installed extensions

Troubleshoot issues related to add-ons

Firefox Translations Add-on

Recommended Firefox extensions for families and students

Integrate Firefox Relay into the Firefox Password Manager

Harmful add-on protection

Unable to install add-ons (extensions or themes)

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

Flash-based videos and sound do not play correctly

Get help with Firefox Developer Edition

What is search hijacking?

Facebook Container isn't working

How is Facebook Container different from Multi-account Containers?

Lightbeam extension for Firefox is no longer supported

X-Mouse Button Control in Firefox 110

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

How will DNS work when using the VPN extension?

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

Manage the Mozilla VPN extension preferences

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