Coplay is a free Chrome add-on developed by Justineo. It falls under the category of Browsers and is specifically classified as an Add-ons & Tools program. The main purpose of Coplay is to synchronize video play between two peers on popular video sites.

With Coplay, users can watch videos simultaneously with their friends or colleagues, no matter where they are located. This add-on eliminates the need for constant communication or sharing of links to watch videos together. Simply install Coplay and start watching videos together in perfect sync.

The user interface of Coplay is simple and intuitive. Once installed, it seamlessly integrates into the Chrome browser, allowing users to easily activate the synchronization feature with just a click. Coplay supports a wide range of popular video sites, ensuring compatibility with most online video content.

Overall, Coplay is a convenient and efficient tool for synchronizing video play between peers. Whether you want to watch a movie with a long-distance friend or collaborate on a video project with a colleague, Coplay makes it easy to stay in sync and enjoy a shared video experience.