Tag Archives: Firefox

How to disable Video Autoplay in Mozilla Firefox Browser

Follow these steps to disable nearly all video playbacks in Firefox.

To disable non-Flash Player video:

Type this into web address and press Enter: about:config

Click the “I accept the risk” button when this warning appears.

firefoxaboutconfigwarning

Right-click on the following lines under media prefixes to set the value to False:

firefoxaboutconfigmediaautoplay

media.autoplay.enabled
media.directshow.enabled
media.eme.enabled
media.encoder.webm.enabled
media.ffvpx.enabled
media.gmp-eme-adobe.enabled
media.gmp-widevinecdm.enabled
media.mediasource.enabled
media.mediasource.mp4.enabled
media.mediasource.webm.enabled
media.mp4.enabled
media.navigator.enabled
media.ogg.enabled
media.peerconnection.enabled
media.peerconnection.video.enabled
media.play-stand-alone
media.raw.enabled
media.wave.decoder.enabled
media.wave.enabled
media.webm.intel_decoder.enabled
media.webvtt.enabled
media.wmf.enabled

To disable Adobe Shockwave Flash video, click the “Open Menu” button at the top right part of the screen, then select “Add-ons”.

firefoxaddons

Select “Plug-ins”, then change the Shockwave Flash setting to “Ask to Activate” or “Never Activate.”

firefoxflashasktoactivate

Non-Flash video playback can be disabled in the Chrome browser by installing a free add-on such as Disable HTML5 Autoplay.

To see all Firefox About menus, type this into the web address and press Enter: about:about

Windows 10 upgrade may set Microsoft Edge as Default Browser

PC users who upgrade to Windows 10 may find that Chrome or Firefox is no longer the default web browser.

To set Mozilla FireFox as the Windows 10 default web browser, follow these instructions:
https://support.mozilla.org/en-US/kb/how-change-your-default-browser-windows-10

Some general instructions on how to set Google Chrome as the default Windows browser:
https://support.google.com/chrome/answer/95417?hl=en