[[Using extensions with Firefox|Extensions]], [[Using themes with Firefox|themes]], and [[Using plugins with Firefox|plugins]] are all types of add-ons for Firefox. This article describes how to disable and uninstall add-ons in Firefox. __TOC__ = How to disable extensions and plugins = Disabling an add-on will turn it off without uninstalling it: # [[T:Open Add-ons|type=Extensions or Plugins]] # Select the add-on you wish to disable. # Click the {button Disable} button. {for win, fx35}<br/> <br/> [[Image:31148401d15b1b51d34cc30dd537005c-1258525018-819-1.png]] <br/>{/for} # If prompted, click {button Restart Firefox} to finish disabling the add-on. To re-enable the add-on, find it in the list of Add-ons and click {button Enable}, then restart Firefox. = How to uninstall extensions and themes = # [[T:Open Add-ons|type=Extensions or {for fx35}Themes{/for}{for fx4}Appearance{/for}]] # Select the add-on you wish to uninstall. # Click the {button Uninstall} button. When prompted, click {button Uninstall} to confirm. {for win, fx35}<br/> <br/> [[Image:31148401d15b1b51d34cc30dd537005c-1258572072-230-1.png]] <br/>{/for} # If prompted, click {button Restart Firefox} to finish uninstalling the add-on. = How to uninstall plugins = Most plugins come with their own uninstallation utilities. For help uninstalling a certain plugin, go to the [[Using plugins with Firefox|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 uninstall an extension, see [[Cannot uninstall an add-on]]. * If you are not able to uninstall a plugin, see [[Troubleshooting plugins#w_manually-uninstalling-a-plugin|Manually uninstalling a plugin]].

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

How to disable extensions and plugins

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

1. Click the menu button , click Add-ons and themes and select Extensions or Plugins.
2. Select the add-on you wish to disable.
3. Click the Disable button.
   
   
   
4. If prompted, click Restart Firefox to finish disabling the add-on.

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

How to uninstall extensions and themes

1. Click the menu button , click Add-ons and themes and select Extensions or ThemesAppearance.
2. Select the add-on you wish to uninstall.
3. Click the Uninstall button. When prompted, click Uninstall to confirm.
   
   
   
4. If prompted, click Restart Firefox to finish uninstalling the add-on.

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 Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems.
• For help diagnosing problems caused by plugins, see Troubleshoot issues with plugins like Flash or Java to fix common Firefox problems.
• If you are not able to uninstall an extension, see Cannot remove an add-on (extension or theme).
• If you are not able to uninstall a plugin, see Manually uninstalling a plugin.