All formulas are verified against the original government notification or Act (cited in the source line below the result). Numbers update in under a second on any input change, with no rounding-of-thousands like some competitors. For tax, slabs are sourced from the current Finance Act; for small savings, rates come from the quarterly government notification.
Yes — click "Save" below the result. Scenarios are stored in your browser (no signup, no server), and you can view all saved scenarios at /scenarios. To share, click "Share" and your inputs encode into the URL so the recipient lands on the same view.
Yes — click "PDF" below the result. It uses your browser's print-to-PDF, formatted with a clean stylesheet that hides navigation and shows only the calculation, breakdown, and chart. Works offline.
No. Every calculator runs entirely in your browser — your inputs never reach our servers. Scenarios you save are kept in localStorage on your device. We collect anonymous visit counts only for the live counter shown in the footer.
Yes — every calculator is verified for FY 2026-27 (post Finance Act 2025). The "Last reviewed" stamp at the bottom of every page tells you when the math was last re-checked. If you spot an out-of-date number, write to us at /contact.