Watch DRM content on Firefox
Learn about Digital Rights Management (DRM) content in Firefox and how to disable and re-enable DRM playback or troubleshoot problems.
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JavaScript settings and preferences for interactive web pages
This article describes what JavaScript is and how to allow or block it on certain websites.
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What to do if Firefox won't play any sounds
Learn what steps to take if you can't hear sound in Firefox.
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Control audio or video playback with your keyboard
This page explains the technical documentation on how to control media in Firefox by using the Media Session API.
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Fix common audio and video issues
This article will help you solve audio and video problems on web pages.
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Fix problems that cause images to not show
If you are experiencing difficulty downloading or viewing images in Firefox, follow the troubleshooting instructions in this article.
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Share browser windows or your screen with sites you trust
Learn how to use Firefox's screen sharing feature safely.
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Add-ons that cause stability or security issues are put on a blocklist
Add-ons that violate Mozilla's Add-on Policies or jeopardize user safety and privacy may be blocked from running in Firefox.
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HTML5 audio and video in Firefox
Firefox can handle audio and video content on web pages and can open some media files. Learn about supported formats and managing playback.
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Fix video and audio problems on Firefox for Windows N editions
If Firefox has trouble playing video or music on a Windows computer, you can install the Media Feature Pack, if it's missing. Learn more.
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