viewport is a free Chrome extension developed by Robert. It falls under the category of Browsers and is specifically listed under Add-ons & Tools. With viewport, users can open multiple viewports or websites in a single window screen, allowing them to save time while binge-watching or browsing the internet efficiently.

This extension is particularly useful in situations like conferences or hall superscreens, where users may need to have multiple websites or videos open simultaneously. By using viewport, users can easily enjoy multiple webs or videos at the same time, enhancing their browsing experience.

While a license for this extension is available, it is important to note that it is not mandatory for the functioning of the extension. However, obtaining a license can be a great way to support the developer in maintaining and improving the extension.