和暦変換 is a free Chrome add-on that allows you to easily convert Japanese era dates to the Western calendar. Developed by atsuki ueda, this tool is designed to provide a convenient way to convert dates from the traditional Japanese calendar system to the Gregorian calendar system.

With 和暦変換, you can simply right-click on a Japanese era date and convert it to the corresponding date in the Western calendar. Please note that this add-on only supports conversion of Japanese era dates written in half-width numbers.

If you frequently work with Japanese era dates and need a quick and efficient way to convert them to the Western calendar, 和暦変換 can be a useful tool to have in your browser. It provides a hassle-free solution for converting Japanese era dates to the Gregorian calendar.