Free
About
Japanese Era Converter
A simple app for converting years between the Japanese eras (Reiwa, Heisei, Showa) and the Western (Gregorian) calendar.
Designed to lighten the workload for anyone who handles Japanese documents, this tool makes year conversion quick and easy with a simplified, user-friendly interface.
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What's New in Showa100
2.0.0
July 22, 2025
We've completely rebuilt the app! With our new two-color text system, you can now instantly distinguish between official era years and the unofficial past and future years shown for convenience. We've also added support for the Meiji and Taisho eras. We hope you continue to enjoy the app!
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