Big Map for Openrunner is a free Chrome extension developed by arnaudb.dev. It falls under the category of Browsers, specifically Add-ons & Tools. This extension allows users to utilize Openrunner maps in fullscreen mode, providing a more immersive and convenient experience.

With Big Map for Openrunner, users can easily trace their routes and plan their journeys with greater ease. By enabling fullscreen mode, the extension maximizes the map display, allowing for a clearer view of the route and surrounding areas. This feature is particularly useful for those who rely on Openrunner maps for navigation or outdoor activities.

Overall, Big Map for Openrunner enhances the usability and functionality of Openrunner maps by offering a fullscreen mode. It simplifies the process of tracing routes and improves the overall user experience. This extension is a valuable addition for anyone who frequently utilizes Openrunner maps.