Snap your Japanese offer letter — AI explains it in your language and flags what to ask. Then compare up to three offers: real take-home pay, the year-2 resident tax drop, move-in costs and 5-year savings. 2026 rules, all 47 prefectures.
Take a photo of the offer letter, contract (労働条件通知書), job posting or payslip. In about a minute you get the pay terms in plain words, the red flags to ask about, and the numbers added to your comparison.
Offer letter, contract, job posting or payslip. Cover your name first if you like.
English, Vietnamese, Indonesian, Nepali, Burmese, Chinese, Filipino, Thai, French, German, Portuguese or Japanese.
One tap adds the offer to the side-by-side comparison. Ask follow-up questions any time.
Base pay ¥230,000, a ¥10,000 skill allowance and ¥30,000 for 20 hours of fixed overtime in Aichi, with a company dorm for ¥25,000.
One offer, the basics. The full kit compares three offers side by side, adds move-in costs, living costs, the pension refund and a 5-year savings chart.
Single person, 8 h × 20 days, no overtime or commuting allowance. Estimate, not tax advice.
Resident tax is charged on last year's income, so it starts in June of your second year. On a ¥300,000 offer that is about this much less every month.
Deposit, key money, agency fee and guarantor: about 4–5 months of rent up front for an average Tokyo flat.
¥250,000 in Aichi with a company dorm beats ¥300,000 in Tokyo with your own flat by this much over 3 years.
Reads your Japanese offer letter, contract, job posting or payslip from a photo or PDF, explains it in 12 languages, flags problems and fills in the comparison. 10, 30 or 100 AI reads depending on your plan.
Compare up to 3 offers: take-home in year 1 and year 2, bonus after tax, move-in costs, living costs, 5-year savings chart, pension refund, minimum-wage check. One file, opens in any browser, works offline.
The same calculation in a spreadsheet you can audit line by line. Prefecture data for all 47 prefectures, editable rates.
A plain-English guide (2026 edition): every payslip line with the Japanese, taxes, the year-2 drop, bonuses, move-in costs, the pension refund and 10 questions to ask before you accept.
Printable one-page sheets in English, Japanese, Vietnamese, Indonesian, Nepali, Burmese, Chinese, Filipino, Thai, French, German and Portuguese, plus a licence to use the kit with your clients, students or staff.
| Typical free calculator | Japan Offer Kit | |
|---|---|---|
| AI reads your Japanese offer letter | — | ✓ |
| Answers in 12 languages | — | ✓ |
| Take-home pay | ✓ | ✓ |
| Year-2 resident tax drop | rarely | ✓ |
| Three offers side by side | — | ✓ |
| Bonus, overtime, commuting allowance | partly | ✓ |
| Move-in costs and payback time | — | ✓ |
| Savings after 1, 3 and 5 years | — | ✓ |
| Pension refund if you leave | — | ✓ |
| Minimum-wage check (all 47 prefectures) | — | ✓ |
| Works offline, nothing uploaded | — | ✓ |
One payment, no subscription. Prices in US dollars; tax is calculated at checkout.
Need more AI reads? AI credit pack: 50 reads for $9. 14-day refund if it doesn't work for you (and you used 3 AI reads or fewer). Your licence key and downloads arrive instantly by email.
Your photo or PDF is sent over an encrypted connection to our AI provider (Anthropic's Claude) only to produce your answer. Rice Work does not store your documents. We keep only your licence key's usage count. You can cover your name before uploading.
One answer from the AI: reading one offer letter or payslip (up to 4 photos or a PDF), or answering one question. If the AI cannot answer, no read is used.
No. It is an estimate to compare offers. It uses 2026 rules for a single person with no dependants working for a company in the Japan Health Insurance Association. Real payslips vary by city, company and month.
Official Japanese sources: regional minimum wages FY2026 (Ministry of Health, Labour and Welfare), average rent by prefecture (Housing and Land Survey 2023), living costs (Family Income and Expenditure Survey 2025), insurance rates FY2026 and 2026 income tax rules. Every rate is listed in the template so you can check it.
Yes. The calculator is a single file that opens in any modern browser on phone or computer, with or without internet. The spreadsheet opens in Excel, Google Sheets or Numbers.
The calculator runs entirely in your browser and sends nothing. Only when you use an AI read is the document or question you choose sent to the AI to create your answer; Rice Work does not store it.
Minimum wages change every October and insurance rates every spring. You get updated files free for 12 months after purchase.
Yes. Enter your currency and today's rate and the calculator shows savings in both.
Choose Team. It includes a licence to use the kit with your clients, students or staff, and the 12-language payslip explainer to print or share.