Tax & filing

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Consumption Tax 4-Method Optimizer

Compare standard, simplified, 20% and the new 30% special rule. The only calculator that includes 3割特例.

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Freelance Take-Home Calculator

Net income after all taxes and insurance.

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Withholding Tax Calculator

Compute monthly salary and freelancer withholding tax.

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Depreciation Calculator

Straight-line and declining-balance depreciation schedules.

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Inheritance Tax Estimator

Estimate inheritance tax from assets and heirs.

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Consumption Tax Interim Filing

Interim consumption-tax filing frequency and installments.

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Foreign Asset Report Checker

Check the ¥50M foreign-asset reporting threshold.

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Side-Job Filing Checker

Do you need to file taxes for your side job? (incl. 住民税).

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Tax Return Type Advisor

Which 確定申告 forms do you need? Based on your income sources.