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YouTube HTML5 Switch v0.1.7.1-signed.1-signed No Restart
Turn the default YouTube player into an HTML5 player with one click. A simple add-on that adds "&html5=1" in the URL for your convenience.
About this Add-on
v0.1.7: Shorcut support added. Use Control + Y instead of the button!
v0.1.3.9: Changing tabs doesn't affect the use of the button. All known bugs fixed.
For developers: https://github.com/constanton/youtube_html5_switch