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Last updated: July 2026
All tax calculations on taxcalculators.app are performed entirely within your web browser using JavaScript. Your income, deductions, credits, and other financial information are never transmitted to our servers. We have no access to your financial data.
We use your browser's localStorage to save your calculator inputs so they persist across page reloads on the same device. This data is stored only on your device and is never sent to any server. You can clear this data at any time by clearing your browser's site data or localStorage.
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