Video Speed Control v0.1.4
Video Speed Control add-on let you easily control the playback speed for all HTML5 video elements.
In order to work with this add-on, please open a webpage that contains HTML5 video elements. Then, play a desired video element and open toolbar popup UI. Within the UI, adjust the playback speed and then click on the - green - check mark button. The playback speed will be changed according to the value shown in the popup.
Please note that, this add-on does NOT change the speed automatically. You need to open toolbar popup UI and press on the green check mark button each time (needs user-action). Moreover, every time a page is reloaded, the add-on need a user-action again.
The minimum playback speed is 0.07x and maximum speed is 16x. The min and max values are according to the HTML5 standards.
If you have a feature request, or found a bug to report, please fill the bug report form int he add-on's homepage.