iTaxON: Income Tax Calculator

Plan your Indian income tax with clarity using iTaxON, a private, offline income tax calculator for Assessment Year 2026–27. Enter your salary, other regular slab-rate income and eligible deductions. iTaxON estimates tax under both the old and new tax regimes, presents the results side by side and highlights which regime may result in lower tax based on the information entered. ✨ KEY FEATURES ✅ Income tax calculator for FY 2025–26 / AY 2026–27 ✅ Old vs new tax regime comparison ✅ Clear estimates of tax, taxable income, effective tax rate and potential savings ✅ Salary TDS planner for FY / Tax Year 2026–27 ✅ Support for resident, senior and super-senior individuals ✅ Common deductions: Sections 80C and 80D, NPS, home-loan interest and professional tax ✅ Automatic salary standard deduction, where applicable ✅ Section 87A rebate calculations ✅ Health and education cess calculations ✅ Surcharge and marginal-relief handling ✅ Built-in AY 2026–27 tax-slab guide with practical explanations ✅ English, Hindi and Bengali language options ✅ Save multiple tax plans locally on your device ✅ No account, registration or sign-in required 🔒 PRIVATE AND USEFUL OFFLINE Your calculator inputs and saved tax plans remain on your device. The core calculators and tax guide work without an internet connection. Internet access is required only when you choose to open an external official reference link. iTaxON does not require you to create an account or upload your financial information to use its core features. 📅 MADE FOR CURRENT INDIAN TAX PLANNING Use the AY 2026–27 calculator while preparing your income tax return for FY 2025–26. For current payroll planning, use the salary TDS calculator for FY / Tax Year 2026–27 to estimate tax and plan deductions across your remaining salary months. ⚖️ COMPARE TAX REGIMES Tax rules and available deductions differ between the old and new tax regimes. iTaxON presents both estimates together, helping you understand the difference and make a more informed decision based on the details entered. 👥 DEVELOPED AND GUIDED BY PROFESSIONALS - Designed and developed by Partha Kar, AI Specialist and Mobile App Development Consultant - Income-tax information, calculation logic and formula guidance by Mrinmoy Rakhshit, Income Tax Inspector and Income Tax Domain Expert - Product architecture and design guidance by Subhra Kar, Architect All contributors participated in their personal and professional capacities. The professional designations displayed above do not imply official government involvement, authorization or endorsement. ⚠️ IMPORTANT INFORMATION iTaxON provides planning estimates and educational information for normal slab-rate income. Capital gains, cryptocurrency, lottery winnings, certain business income and other special-rate income may require separate calculations or professional assessment. Results depend on the information entered and are not tax, legal, accounting or investment advice. They are not a substitute for the official Income Tax portal, a filed income tax return or advice from a qualified tax professional. Users should verify important calculations, eligibility conditions and applicable tax rules before filing a return or making financial decisions. 📌 INDEPENDENT APP DISCLAIMER iTaxON is an independently developed application. It does not represent, and is not affiliated with, authorized by or endorsed by the Income Tax Department, the Government of India or any other government entity. 🔗 OFFICIAL INFORMATION SOURCES Income Tax Department: https://www.incometax.gov.in/ Union Budget of India: https://www.indiabudget.gov.in/