Extensions, themes, and plugins are all types of add-ons for Firefox. This article describes how to disable and remove add-ons in Firefox.

How to disable extensions, Personas, and plugins

Disabling an add-on will turn it off without removing it:

1. At the top of the Firefox window, click on the Firefox button (Tools menu in Windows XP), and then click Add-onsOn the menu bar, click on the Tools menu, and then click Add-onsAt the top of the Firefox window, click on the Tools menu, and then click Add-ons. The Add-ons Manager tab will openAt the top of the Firefox window, click on the Tools menu, and select Add-onsOn the menu bar, click on the Tools menu, and select Add-onsAt the top of the Firefox window, click on the Tools menu, and select Add-ons. The Add-ons window will open.

2. In the Add-ons Manager tabwindow, select the Extensions or Appearance or Plugins panel.
3. Select the add-on you wish to disable.
4. Click the Disable button.
   
   
   
5. Click Restart nowRestart Firefox if it pops up. Your tabs will be saved and restored after the restart.

To re-enable the add-on, find it in the list of Add-ons and click Enable, then restart Firefox.

How to remove extensions and themes

1. At the top of the Firefox window, click on the Firefox button (Tools menu in Windows XP), and then click Add-onsOn the menu bar, click on the Tools menu, and then click Add-onsAt the top of the Firefox window, click on the Tools menu, and then click Add-ons. The Add-ons Manager tab will openAt the top of the Firefox window, click on the Tools menu, and select Add-onsOn the menu bar, click on the Tools menu, and select Add-onsAt the top of the Firefox window, click on the Tools menu, and select Add-ons. The Add-ons window will open.

2. In the Add-ons Manager tabwindow, select the Extensions or AppearanceThemes panel.
3. Select the add-on you wish to remove.
4. Click the RemoveUninstall button. When prompted, click Uninstall to confirm.
   
   
   
5. Click Restart nowRestart Firefox if it pops up. Your tabs will be saved and restored after the restart.

How to uninstall plugins

Most plugins come with their own uninstallation utilities. For help uninstalling a certain plugin, go to the list of plugins articles and select the article for the plugin you want to uninstall.

Troubleshooting

• For help diagnosing problems caused by extensions and themes, see Troubleshooting extensions and themes.
• For help diagnosing problems caused by plugins, see Troubleshooting plugins.
• If you are not able to remove an extension or a theme, see Cannot uninstall an add-on.
• If you are not able to uninstall a plugin, see Manually uninstalling a plugin.