Free business tools
Calculators and generators built for Indian business: GST slabs, lakh and crore, byaj per hundred, UPI on every bill. Free, private and no signup.
- Digital khataCustomer and supplier balances, cash book, reminders and reports. Free, no signup.Open khata
- GST calculatorAdd or remove GST at 0, 3, 5, 18 or 40 percent, with the CGST, SGST and IGST split.Use tool
- GST invoice generatorMake tax invoices, bills of supply, quotations and receipts with UPI QR, then print or save as PDF.Use tool
- Byaj (interest) calculatorSimple and compound interest between two dates, including rupees-per-hundred monthly rates.Use tool
- EMI calculatorMonthly instalment, total interest and a full repayment schedule for any business or personal loan.Use tool
- Margin and markup calculatorTurn cost into selling price, or price into margin, with or without GST.Use tool
- Break-even calculatorHow many units and how much in sales you need to cover fixed costs.Use tool
- Discount calculatorFinal price after single or successive discounts, and what the offer does to your margin.Use tool
- Amount in wordsWrite any rupee amount in words in the Indian lakh and crore system, ready for cheques and invoices.Use tool
- GSTIN checkerCheck a GSTIN's format and check digit, and read its state, PAN and entity type.Use tool
- Compliance due-date calendarUpcoming GST, TDS, PF and income-tax dates, updated automatically every day.Use tool
Your numbers stay with you
Every tool runs inside your browser. Amounts, customer names and invoices you type are not sent to our servers. Saved invoices and khata entries are stored only on your device.
Need a professional to check the numbers?
Calculators give you a quick answer. For GST returns, tax filing or a loan application, talk to someone qualified.
Get free expert helpFree printable templates
Prefer paper or a spreadsheet? Download ruled cash book, ledger, udhaar, stock and expense registers. Browse templates.