Business tools
Professional tools for everyday business
Tax tools
Tax and compliance estimates
GSTIN Validator
Check GSTIN format, embedded PAN and checksum. This does not verify live registration status.
Open toolSeafarer NRI Days Calculator
Calculate days in India, check key Section 6 residency tests, and understand seafarer CDC, passport and foreign salary rules.
Open toolIncome Tax Calculator
Estimate income tax under the new regime for AY 2026-27.
Open toolHRA Calculator
Detailed HRA exemption calculator for India using Rule 2A salary, rent, metro and tax-regime inputs.
Open tool80C Calculator
Category-wise 80C, 80CCC and NPS deduction calculator with statutory ₹1.5 lakh restriction.
Open toolAdvance Tax Calculator
Plan regular or presumptive advance-tax instalments after TDS, TCS and other tax credits.
Open toolTDS Calculator
Estimate TDS by common section or custom rate with PAN higher-rate warning and net payment.
Open toolGST Interest Calculator
Calculate GST interest from due date to payment date for delayed tax or ITC-related scenarios.
Open toolGST Late Fee Calculator
Estimate GST return late fee by return type, NIL/non-NIL status, delay days and configurable cap.
Open toolFinance tools
Loans, interest and everyday finance
EMI Calculator
Detailed reducing-balance EMI calculator with yearly summary and month-wise amortization schedule.
Open toolBusiness Loan EMI Calculator
Estimate business loan EMI, total repayment, processing cost and EMI coverage context.
Open toolHome Loan EMI Calculator
Estimate home-loan EMI, amortization and optional lump-sum prepayment impact.
Open toolGST Inclusive / Exclusive Calculator
Add GST to taxable value or reverse-calculate taxable value from GST-inclusive amount with CGST/SGST or IGST split.
Open toolPercentage Calculator
Calculate percentage-of, ratio, increase, decrease, change, add-on and reduction with safe zero handling.
Open toolSimple & Compound Interest Calculator
Compare simple and compound interest with annual, half-yearly, quarterly or monthly compounding.
Open toolImportant