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/2018/12/18/disable-autoplay-for-videos-in-firefox-65/
Major Hayden
2018-12-18
firefox
security
Disable autoplay for videos in Firefox 65

Firefox has some great features, but one of my favorites is the ability to disable autoplay for videos. We've all had one of those moments: your speakers are turned up and you browse to a website with an annoying advertisement that plays immediately.

2018-12-18-just-want-it-to-stop.gif

This feature stopped working for me somewhere in the Firefox 65 beta releases. Also, the usual setting in the preference page (under Privacy & Security) seems to be missing.

Luckily we can edit Firefox's configuration directly to get this feature working again. Open up a new browser tab, go to about:config, and adjust these settings:

  • Set media.autoplay.default to 1 to disable video autoplay for all sites

  • Set media.autoplay.allow-muted to false to disable video autoplay even for muted videos

Those changes take effect for any new pages that you open after making the change.