Smart financial tools.
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Free EMI, SIP, FD, HRA & Rate of Return calculators — plus TDS filing. All in one place. Instant results, 100% private, no sign-up required.
Loan & Investment Tools
Instant results powered by the same formulas used by Indian banks.
EMI Calculator
Monthly EMI, total interest & full amortization schedule for home, personal, and car loans.
Use EMI Calculator →SIP Calculator
Mutual fund maturity value, total returns, and year-wise SIP growth with compounding.
Use SIP Calculator →FD Calculator
Fixed deposit maturity value and interest earned for cumulative & non-cumulative FDs.
Use FD Calculator →HRA Exemption Calculator
Calculate your House Rent Allowance tax exemption under Section 10(13A) instantly.
Use HRA Calculator →Rate of Return Calculator
Calculate CAGR, absolute return, or SIP rate of return on any investment.
Calculate Returns →More Coming Soon
PPF, Income Tax, Step-Up SIP calculators — launching soon.
Coming SoonTDS on Rent Filing
Paying rent above ₹50,000/month? TDS filing is legally mandatory under Section 194IB.
RentSafe — Pay Rent & File TDS
We handle TDS calculation, Challan 281 deposit, Form 26QC filing, and Form 16C certificate — all in one step.
GST Utilities
Free tools to search, verify, and manage GST taxpayer information — powered by official government data.
GST — Search Taxpayer
Verify any GST-registered business by GSTIN/UIN or PAN. Get legal name, registration status, business type, jurisdiction, and HSN details from the official GST portal.
Financial Guides
Practical, jargon-free articles for Indian investors.
How to Save Income Tax in FY 2026–27
Section 80C, 80D, NPS, home loan deductions — complete guide.
Read Guide →SIP vs FD – Where Should You Invest?
Returns, risk, taxation and long-term wealth creation compared.
Read Guide →TDS on Rent – Section 194IB Guide
Who must file, how to calculate, penalties, and Form 26QC explained.
Read Guide →Why TrufinOps?
Most finance calculator websites are cluttered with ads and dark patterns. TrufinOps is the clean alternative — fast, private, and honest.
Free EMI calculator, SIP calculator, and TDS filing service for India. No ads, no sign-ups, no data collection.
Calculations happen as you type. No loading.
Runs in your browser. We never see your numbers.
Industry-standard formulas. Always correct.
No advertisements. No popups. Ever.
Trusted by Indian taxpayers
"Finally a financial calculator that just works — no ads, no data harvesting. The EMI amortization table is exactly what I needed for my home loan decision."
"Used RentSafe for my TDS on rent filing — the whole process took less than 10 minutes and my Form 26QC was filed within 2 days. Highly recommend!"
"The HRA exemption calculator saved me hours of manual calculation. Results match exactly what my CA computed. Bookmarked this for every tax season."
If you receive a penalty due to an error on our part, we cover it. No questions asked. See full terms →
ⓘ Disclaimer: All calculators and content on TrufinOps are for educational purposes only and do not constitute financial, tax, legal, or investment advice. TrufinOps is not a SEBI-registered investment advisor or IRDAI-licensed insurance intermediary. Calculator results are indicative estimates. Always consult a qualified professional for important financial decisions. Read full disclaimer