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Add-ons, extensions, and themes

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

Extensions in Private Browsing

Recommended Extensions program

Personalized extension recommendations

Add-on signing in Firefox

Find and install add-ons to add features to Firefox

Multi-Account Containers

Tips for assessing the safety of an extension

JavaScript settings and preferences for interactive web pages

Use Firefox in another language

Upgrade your graphics drivers to use hardware acceleration and WebGL

Manage your extensions using the extensions button in the toolbar

An extension changed my New Tab page or home page

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

Cannot remove an add-on (extension or theme)

Manage optional permissions for Firefox extensions

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

Use themes to change the look of Firefox

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?

Manage extension shortcuts in Firefox

Facebook Container - Prevent Facebook from tracking you on other websites

Site Permission Add-ons

On-device AI models in Firefox

Access your add-ons with a Mozilla account

Built-in themes in Firefox - alternative to complete themes

Firefox Translations Add-on

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

Change your location for a specific website

Send plugin crash reports to help Mozilla improve Firefox

Get help with Firefox Developer Edition

What is search hijacking?

X-Mouse Button Control in Firefox 110

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

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

Review installed extensions

Lightbeam extension for Firefox is no longer supported

Troubleshoot issues related to add-ons

Recommended Firefox extensions for families and students

Integrate Firefox Relay into the Firefox Password Manager

Get started with the Mozilla VPN extension

Disable Mozilla VPN protection for a specific website

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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