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Open Finance GPT
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Tax & Finance Tools

18 calculators built by a Chartered Accountant. Each one names the formula it uses, runs entirely in your browser, and can be shared as a link or a PDF with your figures in it. No sign-up, no adverts, nothing stored.

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🩺 Financial PlanningLive · no sign-up FINANCIAL HEALTH ANALYZERCALCULATOR Upload a P&L, balance sheet or CSV and get a health score, margins, liquidity, working-capital days, risk flags — and what to fix first. Open the calculator 💼 SalaryLive · no sign-up CTC BREAKUPCALCULATOR From cost-to-company to in-hand: build the salary structure, and see employer EPF, ESI, gratuity and every deduction laid out. Open the calculator 📈 InvestingLive · no sign-up INVESTMENT RETURNSCALCULATOR Lump sum, monthly SIP or a step-up SIP — see what goes in, what it grows to, and the real annualised return. Open the calculator 🧾 TaxUpdated tax year 2026-27 TDSCALCULATOR Search by what you are paying for, get the section that applies, and see the deduction and the net. Open the calculator 🧾 TaxUpdated tax year 2026-27 INCOME TAXCALCULATOR · ADVANCE Salary, house property, other sources and capital gains together, with both regimes compared. Open the calculator 🧾 TaxLive · no sign-up NRI INCOME TAXCALCULATOR Residential status first — every test in section 6, from your day counts and facts — then the tax on Indian income as a non-resident or RNOR. Open the calculator 🧾 TaxUpdated tax year 2026-27 INCOME TAXCALCULATOR · BASIC Tax under the old and the new regime side by side, with the slab-wise working shown. Open the calculator 🧾 TaxLive · no sign-up CAPITAL GAINSCALCULATOR Long- or short-term by the asset, the tax after losses and the ₹1.25 lakh exemption — then what to do: harvest, wait, reinvest, carry forward. Open the calculator 🏷️ GSTLive · no sign-up GSTCALCULATOR · INCLUSIVE AND EXCLUSIVE Add GST to a price or strip it out, split CGST/SGST or IGST — and see who pays, whether the credit is allowed, and every return and its due date. Open the calculator 🧾 TaxLive · no sign-up ADVANCE TAX INSTALMENT PLANNERCALCULATOR What to pay by 15 June, September, December and March, the interest if you miss one — and the moves that shrink the liability. Open the calculator 🧾 TaxLive · no sign-up CORPORATE TAXCALCULATOR Company tax for tax year 2026-27 under the Income-tax Act, 2025: the default rates, section 200 at 22% and section 201 at 15% side by side, with MAT at its new 14%. Open the calculator 💼 SalaryLive · no sign-up GRATUITYCALCULATOR What the Code on Social Security pays after five years — 15 days’ wages a year on the right wage base — and how much of it is tax-free. Open the calculator 🩺 Financial PlanningLive · no sign-up RENT VS BUYCALCULATOR Buy the home or keep renting and invest the difference: the same money followed month by month, with the break-even year and the figures that flip the answer. Open the calculator 🏠 LoansLive · no sign-up LOAN ELIGIBILITYCALCULATOR How much home, car or personal loan your income can carry — salary, business, profession or creator earnings — and what sets the figure. Open the calculator 🧾 TaxLive · no sign-up HRA EXEMPTIONCALCULATOR How much of your house rent allowance is exempt — the least of the three limbs, with the monthly working and the compliance flags. Open the calculator 📈 InvestingLive · no sign-up IPO ALLOTMENT CHANCECALCULATOR Your real odds in the retail, HNI, shareholder or employee quota, checked against five real allotments, with the refund and listing dates. Open the calculator 🏠 LoansLive · no sign-up REDUCING BALANCE EMICALCULATOR The way banks actually charge you. Interest each month applies only to the balance still outstanding. Open the calculator 🏠 LoansLive · no sign-up FLAT RATE EMICALCULATOR Common in vehicle and consumer finance. Interest is charged on the full original amount for the whole tenure. Open the calculator

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