Screencastify is a free screencast tool for Chrome that you can use to record anything on your current tab. If you are looking for tool that you can use instantly without having to install anything on your desktop, then better check out this free Chrome extension called Screencastify. The thing is, there may be a lot free screencast tools out there that you can download but only a few can provide you with the essential video screen recording features that you want. You’ll know when you’ll need a reliable video screen capture tool because it comes in handy when you are planning to make a video review or tutorial.