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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Allow or block media autoplay in Firefox
Firefox prevents media from playing automatically on websites you visit, unless you grant permission. Learn more about this feature.
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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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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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Share browser windows or your screen with sites you trust
Learn how to use Firefox's screen sharing feature safely.
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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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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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Playing 4K (Ultra-High Definition) YouTube videos in Firefox
Why the 4K option shows up for some viewers while it doesn't for others.
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I can’t play audio on a Remote Desktop Connection
How to solve a known issue with audio playback when you use Firefox on a Remote Desktop Connection.
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Mute sound in Firefox tabs
Learn how to identify noisy tabs in Firefox and mute the sound without affecting other tabs or windows.
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Videos don't have sound on Citrix
How to fix audio problems when you try to watch videos while using the Citrix Server on Windows.
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Why is each open Firefox tab showing up in the Windows volume mixer?
If each open Firefox tab shows up in your Windows volume mixer, a fix will be released in Firefox version 76. Here is a workaround in the meantime.
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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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