Find and install add-ons to add features to Firefox

Add-ons let you add bells and whistles to Firefox. You can get add-ons that compare prices, check the weather, change the look of Firefox, listen to music, or even update your Facebook profile. This article covers the different types of add-ons available and how to find and install them.

What types of add-ons can I install?

These general types of add-ons can be installed:

Viewing and managing your installed add-ons

Search engines can be viewed and managed in the Search panel in Firefox OptionsPreferencesSettingsPreferences . For other add-ons:

  1. Click the menu button Fx57Menu and choose Add-ons. The Add-ons Manager tab will open.
  2. Select the panel for the type of add-on you wish to view or manage, such as the Extensions, Themes or PluginsExtensions or Themes panel.

For detailed information on disabling or removing add-ons, see Disable or remove Add-ons.

How do I find and install add-ons?

Here is an overview to get you started:

  1. Firefox may offer personalized recommendations. Click the menu button Fx57menu, click Fx57Addons-icon Add-onsFx57Addons-icon Add-ons and Themes and select Recommendations.
  2. To install a recommended add-on, click the blue + Install Theme or + Add to Firefox button, depending on the type of add-on.

At the bottom of the list of recommended add-ons, there's also a Find more add-ons button you can click. It will take you to addons.mozilla.org where you can search for specific add-ons.

For advanced users: You can also install add-ons from a file. If you saved the installer file to your computer, (for example, an .xpi or .jar file) you can install the add-on using the gear icon gear icon in the upper-right area of the Add-on Manager Extensions panel. Select Install Add-on from file... from the menu, then find and select the file.

Some extensions place a button in the toolbar after installation. You can remove those or move them into the menu if you want - see Customize Firefox controls, buttons and toolbars.

Troubleshooting add-ons

For information on troubleshooting problems with extensions, plugins, or themesextensions or themes, see the articles below.

Problems with installing or uninstalling add-ons

Problems caused by add-ons

Note: Mozilla has overhauled the underlying technology for Firefox add-ons. For more information, see Firefox add-on technology is modernizing.

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