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Calculate difficult gift and inheritance taxes in advance in just 5 minutes with TaxTax!

Were you at a loss as to how much tax you would have to pay when parents give property to their children, or when inheriting property from their parents?

'TaxTax' is a free tax calculator that shows you everything from estimated taxes to filing deadlines at a glance, simply by selecting the relationship and amount, without any complex tax terminology.

▣ Perfect for These Users

· Parents considering gifting to their children in advance

· Those facing the inheritance of their parents' assets

· Those who want to know the approximate tax amount before consulting a tax accountant

· Those who find small fonts and complex screens overwhelming

▣ Key Features

· Simple Gift Tax Calculation — Check estimated tax amount simply by selecting the relationship and entering the amount

· Simplified Inheritance Tax Calculation — Quickly estimate based on total assets, spouse, and child information

· 10-Year Aggregated Deduction Guide — Visualize parental aggregate deductions and remaining limits with a gauge

· Automatic notification of filing requirements and deadlines

· Result report showing 'Tax Payable vs. Money Not to Pay' at a glance

· My Gift Timeline — Manage up to the tax-exempt point in the 10-year cycle

· Essential tax-saving tips

· Save and share results as a PDF

▣ Design Comfortable for Seniors

· Large fonts, high contrast, and easy-to-understand explanations

· 3-level font size adjustment, Dark Mode support

▣ Use with Confidence

· Start immediately without logging in or signing up

· Personal information is stored only on your phone without being sent to a server

· 100% Free

▣ Notice

The calculation results of this app are estimates for reference before filing and do not replace tax advice.

In complex cases involving gifts with burdens, real estate and stock valuations, and various deductions and special provisions, the actual tax amount may differ.

For accurate filing and payment, please consult a tax accountant or use the National Tax Service's Hometax system.

(Reflecting current National Tax Service standards as of 2026)