Playback Speed 
Control the speed of video playback.
Screenshot
Requirements
- Firefox 60+
Permissions
- Tabs
- Active Tab
- Storage
- <all_urls> (for embedded videos)
Download
https://addons.mozilla.org/firefox/addon/playback-speed?src=external-github
Extension for Firefox
Control the speed of video playback.
https://addons.mozilla.org/firefox/addon/playback-speed?src=external-github
Extension for Firefox
GNU General Public License v2.0