How to Stop Autoplay on Firefox With an Extension? If you did everything right, the video shouldn’t start automatically. Note: To check if this is working, go to YouTube and click on any video. You need to edit these specific preferences for all videos in your browser to stop playing automatically. This is the list of preferences and their supposed values: As for values that have numbers, use the pencil button.
You can toggle the true/false value by using the toggle button. Now, you’ll see the list of autoplay preferences in Firefox. and 3, don’t type in the quotation marks. One of the options it provides is disabling autoplay videos completely. Firefox Configuration Editor lets you fine-tune your surfing experience in their browser. If videos keep popping up on some websites, you can use a more advanced method.
