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📣 Help shape Firefox by joining our Test Days event on July 21–Aug 1 to test the Firefox Semantic History Search in Firefox Beta 142

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Firefox
Instellings
Add-ons, extensions, and themes

Instellings

Add-ons, extensions, and themes

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

In Engels

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

Personalized extension recommendations

Recommended Extensions program

Add-on signing in Firefox

Find and install add-ons to add features to Firefox

Multi-Account Containers

JavaScript settings and preferences for interactive web pages

Tips for assessing the safety of an extension

Use Firefox in another language

An extension changed my New Tab page or home page

Upgrade your graphics drivers to use hardware acceleration and WebGL

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

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

Cannot remove an add-on (extension or theme)

Manage optional permissions for Firefox extensions

Facebook Container - Prevent Facebook from tracking you on other websites

Use themes to change the look of Firefox

Manage extension shortcuts in Firefox

Get started with the Mozilla VPN extension

On-device AI models in Firefox

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

Site Permission Add-ons

Why is there an OpenH264 plugin in Firefox?

Manage your extensions using the extensions button in the toolbar

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

Change your location for a specific website

Unable to install add-ons (extensions or themes)

Access your add-ons with a Mozilla account

Firefox Translations Add-on

Send plugin crash reports to help Mozilla improve Firefox

What is search hijacking?

Built-in themes in Firefox - alternative to complete themes

How to add the translate add-on to Firefox

Report extensions and themes for abuse

Review installed extensions

Recommended Firefox extensions for families and students

X-Mouse Button Control in Firefox 110

Integrate Firefox Relay into the Firefox Password Manager

Disable Mozilla VPN protection 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

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

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

How to update add-ons

Facebook Container isn't working

How is Facebook Container different from Multi-account Containers?

Lightbeam extension for Firefox is no longer supported

Troubleshoot issues related to add-ons

Orbit Frequently Asked Questions

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