Map Doge Extension is a free Chrome add-on developed by 雪月秋水. This extension allows users to easily query MAPCODE, a unique location code system used in Japan, directly from Google Maps. With Map Doge Extension, users can quickly find the MAPCODE for any location in Japan, making it convenient for travelers, businesses, and anyone interested in navigating the country.

Using this extension is simple. Once installed, users can access the MAPCODE query feature directly from Google Maps. By clicking on the Map Doge icon, a search box will appear, allowing users to enter the desired location. The extension will then provide the corresponding MAPCODE for that location, making it easy to pinpoint and share precise addresses within Japan.

Map Doge Extension is a valuable tool for anyone navigating Japan, whether for travel or business purposes. Its user-friendly interface and seamless integration with Google Maps make it a convenient and efficient way to access MAPCODE information. For those interested, the extension's source code is available on GitHub, and its privacy policy can be found on the same platform.