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add-on

Firefox uses plugins like Flash and Java to display some interactive content. Learn how to use and manage these plugins in Firefox.

Plugins are Firefox add-ons that manage Internet content that Firefox is not designed to process. This article describes how to use and manage plugins in Firefox. __TOC__ = What are plugins? = A plugin is a piece of software that manages Internet content that Firefox is not designed to process. These usually include patented formats for video, audio, online games, presentations, and more. Plugins are created and distributed by other companies. = Popular plugins = For instructions of how to install, use, and troubleshoot plugins in Firefox, see the articles below: * [[Flash Plugin - Keep it up to date and troubleshoot problems|Adobe Flash]] * [[Use the Java plugin to view interactive content on websites|Java]] * [[Use the QuickTime plugin to play audio and video|Quicktime]] * [[Use the Silverlight plugin to play audio and video|Silverlight]] * [[Use the Adobe Reader plugin to view or download PDF files|Adobe Reader]] * [[Play Windows Media files in Firefox with the Windows Media plugin|Windows Media Player]] {for win7,win8,win10} <!--Windows 64-bit Firefox requires Windows 7 or above (bug 1093741)--> {for =fx42}{warning}'''Important:''' The new 64-bit version of Firefox for Windows currently recognizes and supports only the Adobe Flash plugin. See [https://blog.mozilla.org/futurereleases/2015/10/08/npapi-plugins-in-firefox/ this Mozilla blog post] for details.{/warning}{/for} {for fx43}{warning}'''Important:''' The 64-bit version of Firefox for Windows currently recognizes and supports only the Adobe Flash and Microsoft Silverlight plugins.{/warning}{/for} {/for} = How to update plugins = Plugins involve using code written by third-parties, so it is critically important to keep your plugins up-to-date. A security vulnerability in a plugin you have installed could compromise your privacy. [[T:plugincheck]] = Managing plugins = To see what plugins you have installed: #[[T:Open Add-ons|type=Plugins]] {for not fx23} To disable a plugin, select a plugin in the list, then click {button Disable}. Disabling a plugin will turn it off without uninstalling it. To re-enable it, click {button Enable}. {/for} {for fx23} To disable a plugin, select a plugin in the list, then select {button Never Activate}. Disabling a plugin will turn it off without uninstalling it. To re-enable it, select {button Always Activate}. {/for} == Uninstalling plugins == * Visit the article above that corresponds to the plugin you want to uninstall for instructions. * For instructions on how to manually uninstall a plugin, see [[Troubleshoot issues with plugins like Flash or Java to fix common Firefox problems#w_manually-uninstalling-a-plugin|Manually uninstalling a plugin]] = Troubleshooting = If you have problems with Firefox, they may be caused by a plugin or combination of plugins. For help on how to diagnose plugin problems, see [[Troubleshoot issues with plugins like Flash or Java to fix common Firefox problems]].