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About this Add-on
Not that this extension only requests Flash player on youtube's web site to be as lightweight as possible. This means embedded players on other website still can use the default HTML5 player. To watch them in Flash just click on the video to let it open in a new tab.
For the extension to function, you need to refresh YouTube tabs
--- My other YouTube tools ---
1. YouTube use Flash Player; https://addons.mozilla.org/en-US/firefox/addon/youtube-use-flash-player/
2. YouTube in HD (720p, 1080p, 1440p, 2160p); https://addons.mozilla.org/en-US/firefox/addon/youtube-hd-1/
3. YouTube no Annotations; https://addons.mozilla.org/en-US/firefox/addon/youtube-no-annotations/
4. YouTube no Buffer (no autoplay); https://addons.mozilla.org/en-US/firefox/addon/youtube-no-buffer-autoplay/
5. YouTube Stop AutoPlay Next; https://addons.mozilla.org/en-US/firefox/addon/stop-autoplay-next-for-youtube/
Please note that the FAQs page of this extension contains Google Analytics; Terms can be found https://www.google.com/analytics/terms/us.html