Manage preferences and add-ons
Video, audio and interactive settings
Change how Firefox handles videos, animations, music and other interactive content
Watch DRM content on Firefox
Firefox gives you the choice whether or not to allow DRM code to be installed on your browser.
JavaScript settings and preferences for interactive web pages
This article describes what JavaScript is and how to allow or block it on certain websites.
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.
HTML5 audio and video in Firefox
Firefox can play HTML5 audio and video content on web pages. Learn about the supported media formats and how to manage them.
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.
