Free business tools for Indian founders
GST, invoicing, payroll and HR calculators built around Indian rules and updated for the current financial year. Every tool is free, works in your browser and needs no sign-up — nothing you type is sent to us.
GST & Billing
Raise compliant documents and get the tax maths right the first time.
GST Calculator
Add or remove GST at the 2026 rates and see the CGST, SGST and IGST split instantly. Free, no sign-up.
Open tool →GST Invoice Generator
Create a GST-compliant tax invoice and download it as a PDF in under a minute. No sign-up, no watermark.
Open tool →HSN & SAC Code Finder
Search HSN and SAC codes by product or service name and get the applicable 2026 GST rate.
Open tool →GSTIN Validator
Check whether a GSTIN is structurally valid, and decode the state, PAN and entity details it contains.
Open tool →Quotation Generator
Send a clean, professional quotation or proforma invoice as a PDF. Free and no sign-up.
Open tool →Delivery Challan Generator
Create a delivery challan for goods sent without a tax invoice, and download it as a PDF.
Open tool →MSME 45-Day Payment Interest Calculator
Work out the due date and the compound interest payable on a delayed MSME payment under Section 15/16.
Open tool →Payroll & Salary
Work out what lands in the bank, and what the company owes on top.
CTC to In-Hand Salary Calculator
Enter your CTC and see the exact monthly take-home after PF, professional tax and income tax. Free, no sign-up.
Open tool →Salary Slip Generator
Create a professional salary slip with earnings, deductions and net pay, and download it as a PDF.
Open tool →Gratuity Calculator
Calculate gratuity from your last drawn salary and years of service, including the tax-free limit.
Open tool →CTC Breakup Calculator
Build a compliant salary structure from a CTC figure, with basic, HRA, PF and special allowance.
Open tool →HRA Exemption Calculator
Find the tax-free portion of your House Rent Allowance from your salary, rent paid and city.
Open tool →EPF & ESI Calculator
Calculate employee and employer EPF and ESI contributions against the current statutory ceilings.
Open tool →Professional Tax Calculator
Look up the monthly professional tax payable on a salary for each state that levies it.
Open tool →Income Tax Calculator
Compare your tax under the old and new regimes for FY 2026-27, including the Section 87A rebate.
Open tool →HR & Compliance
Handle joining, exit and statutory paperwork without a template hunt.
Full & Final Settlement Calculator
Work out an exit settlement with pending salary, leave encashment, gratuity, notice pay and recoveries.
Open tool →TDS on Salary Calculator
Estimate the monthly TDS to deduct from an employee's salary for the financial year.
Open tool →Leave Encashment Calculator
Calculate the payout for unused earned leave at exit, and the portion exempt from tax.
Open tool →Offer Letter Generator
Create a professional job offer letter with role, CTC and joining date, and download it as a PDF.
Open tool →Experience Letter Generator
Generate an experience certificate or relieving letter for a departing employee as a PDF.
Open tool →