Download QuickStreamer chrome extension. livestreamer GUI. Quickly view Twitch streams, Youtube videos... with livestreamer from your browser. and install in your Google chrome browser. This is Direct QuickStreamer Crx download for Chrome it is also called QuickStreamer offline CRX for chrome Download. This QuickStreamer is used to livestreamer GUI. Quickly view Twitch streams, Youtube videos... with livestreamer from your browser.