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.
Western ↔ Japanese era
Convert any year between Gregorian and Reiwa, Heisei, Showa, Taisho, Meiji.
Japanese age (kazoedoshi)
Your traditional Japanese age, used for kanreki and certain rituals.
Japan net salary (gross → take-home)
Income tax, resident tax, pension, health insurance—done in one place.
Furusato nōzei (ふるさと納税) limit
How much you can donate this year and still get the full tax deduction.
Japan rent cost (move-in + total)
Reikin, shikikin, agency fees, kōshinryō—the real cost of renting in Japan.
Monthly commuter pass — worth it?
Compare IC tickets vs monthly pass for Tokyo and Yokohama routes. 2026 fares.
Japan visa fee calculator (Oct 2026 reform)
Calculate your renewal or permanent residency fee before and after the October 2026 reform.
HSP points — fast-track to permanent residency
Calculate your Highly Skilled Professional points. See if you qualify for PR in 1 year (80 pts) or 3 years (70 pts).