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.
Last updated: 06/14/2022
What to do if Firefox won't play any sounds
Learn what steps to take if you can't hear sound in Firefox.
Last updated: 09/27/2022
JavaScript settings and preferences for interactive web pages
This article describes what JavaScript is and how to allow or block it on certain websites.
Last updated: 06/06/2022
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.
Last updated: 08/21/2021
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.
Last updated: 04/23/2023
Share browser windows or your screen with sites you trust
Learn how to use Firefox's screen sharing feature safely.
Last updated: 01/11/2017
Fix common audio and video issues
This article will help you solve audio and video problems on web pages.
Last updated: 09/25/2022
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.
Last updated: 2 weeks, 5 days ago
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.
Last updated: 05/12/2024
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.
Last updated: 08/22/2022
