Manage preferences and add-ons
Video, audio and interactive settings
Change how Firefox handles videos, animations, music and other interactive content
JavaScript settings and preferences for interactive web pages
This article describes what JavaScript is and how to allow or block it on certain websites.
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.
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.
View Virtual Reality with Firefox WebVR
Starting with Firefox 55, you can enjoy Virtual Reality (VR) content directly from your Windows desktop computer via the fully-implemented WebVR standard.
WebXR Permission Info Page
This article explains Firefox's virtual reality features and how to manage permissions for websites that ask to access your VR devices.
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.
