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I was using "Stop YouTube Autoplay" add-on to stop autoplaying the videos thus saving bandwidth. But since 1.0.3, this Firefox plugin doesn't work anymore.

Is there any other FF plugin that does the same? Browser version is 16.0.1

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marked as duplicate by fixer1234, DavidPostill, mdpc, Ƭᴇcʜιᴇ007, Nifle Mar 28 '15 at 18:15

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up vote 5 down vote accepted

You can use the Flashblock addon. Another alternative is TubeStop.

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Excellent!! It works, thank you :) I've one more question: please watch this as example ~ I would like to know is it possible (by this plugin or any other) to see the picture of the first frame of the video (of course with blocked auto-play & video buffering)? This could help in downloading the right content or file. Thanks again – akula Oct 15 '12 at 15:32
Flashblock does not provide a preview since it blocks the video from loading, even a bit. From the reviews of Tubestop, it seems like it provided a preview feature but doesn't work in the recent times. – M K Oct 16 '12 at 8:16
Thank you so much for answer. I think I'm happy with Flashblock, but I'll try Tubestop too :) – akula Oct 18 '12 at 13:40

Use Firefox's built-in "click-to-play" feature. This prevents ALL plugins from automatically playing until you click on it, saving you bandwidth.

  1. Open a new tab and go to about:config?filter=plugins.click_to_play.

  2. Press "I'll be careful, I promise".

  3. Double click on the plugins.click_to_play preference to set it to true.

You can also allow plugins to automatically run on certain websites by clicking on the plugin icon in the address bar -> clicking on the down arrow -> always activate plugins for this site.

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Browser config does work but it's making FF to choke PLUS this setting can't stop video buffer. So one can't save Bandwidth even though it stops auto-play by default – akula Oct 15 '12 at 15:28

If playing the video with the flash-plugin, you could give YouTube Auto Buffer & Auto HD & Remove Ads for Greasemonkey a try.

Set the option for Auto[buffer/play] to 'Both off'.

enter image description here

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I don't use Flash plugin (disabled it) as it makes the life of FF (memory/performance) hell. Thank you for the response. I shall remember this tool too :) – akula Oct 18 '12 at 13:41

You can use YouTube Control Center open source add-on to configure autoplay behavior, buffering and much more.

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