GeoGuessr Duels Notifier is a Chrome extension designed to enhance the user experience of the popular game GeoGuessr by providing timely notifications when a duel is matched. This tool ensures that players remain aware of match initiations, even if they are engaged in other activities on their devices.

The extension offers multiple notification methods, which can be customized according to user preferences. Options include desktop notifications, voice alerts, automatic tab focusing, and bringing the target window to the forefront. It is important to note that the extension is not compatible with secret, incognito, or private browsing windows, ensuring that it operates seamlessly in standard browsing environments.