Well, yes, it’s just that simple, at least on my computer. And once we do, we can then simply click the Chromecast extension icon and cast it onto your TV. Assume you already have Chromecast extension installed and enabled in your Chrome browser, all we need to get done is to make the MKV videos play inside the Chrome browser. So, here are 2 quick tips that may help you if you already have tons of MKV files in your library. You may get lucky on some of the MKV files because they are encoded in a way that Chrome supports out of the box but to most of the MKV files, when you drop them into Chrome you will most likely end up downloading them into your download folder, rather than playing them inside the browser. While you can do so on video types such as MP4, you probably will find difficulty doing the same on other video formats like MKV. On a post we shared a bunch of tips and tricks about streaming with Chromecast, the best gadget in $35, we shared that you can basically drag and drop the video files into Chrome browser and Chromecast from there.