Wiki Page, 5 Major Web Browsers: Mozilla Firefox Plugin page

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2016-10-17T13:17:08-06:00

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:

Adobe Flash

Java

Quicktime

Silverlight

Adobe Reader

Windows Media Player

Note: The 64-bit version of Firefox currently recognizes and supports only the Adobe Flash and Microsoft Silverlight NPAPI plugins.

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.

To check if any of your installed plugins are out of date, visit Mozilla's Plugin Check & Updates page.

Managing plugins

To see what plugins you have installed:

1. Click the menu button and choose Add-ons. The Add-ons Manager tab will open.

2. In the Add-ons Manager tab, select the Plugins

To disable a plugin, select a plugin in the list, then select Never Activate. Disabling a plugin will turn it off without uninstalling it. To re-enable it, select Always Activate.

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 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.

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