For residents
Tools for the paperwork, taxes and life-admin of living in Japan as a foreign resident—or as a Japanese resident dealing with documents in English.
令
Western ↔ Japanese era
Convert any year between Gregorian and Reiwa, Heisei, Showa, Taisho, Meiji.
Open calculator 歳
Japanese age (kazoedoshi)
Your traditional Japanese age, used for kanreki and certain rituals.
Open calculator 給 Soon
Japan net salary (gross → take-home)
Income tax, resident tax, pension, health insurance—done in one place.
故 Soon
Furusato nōzei (ふるさと納税) limit
How much you can donate this year and still get the full tax deduction.