Chrome extension for Casper
Watch full-length reactions in sync with it's corresponding content on several streaming services.
All you need is the link to a YouTube, Vimeo or Streamable video and the amount of seconds into the reaction-video that the reactor hits play. Casper handles the rest.
Note that this extension is still in it's beta stage. Go here for a "How-to-use" guide: https://www.casper.live/browser-extension