Free Tax Calculators & Tools — GST, Income Tax, HRA

Free GST and Income Tax calculators and document generators. Everything runs in your browser — nothing you type is sent to our servers.

GST tools

GSTPopular GST Consent Letter Print-ready letter · A4 or stamp paper GST GST Interest & Late Fee Day-wise interest + late fee for GSTR-3B / GSTR-1 GST GST Notice Reply Ready reply draft for ASMT-10, DRC-01, SCN GST GST Calculator CGST / SGST / IGST split, ITC and invoice total

Income Tax tools

Income TaxPopular Income Tax Calculator Old vs New Regime tax, side by side Income Tax ITA 2025 Section Finder New 2025 section number for any 1961 section Income Tax New vs Old Regime Which regime saves you more, and by how much Income Tax HRA Exemption Calculator Exempt and taxable HRA under Section 10(13A) Income Tax Do I Need to File ITR? Yes / no answer in 6 questions, with reasons

Also useful

GST · Income Tax Compliance Calendar Next: TDS / TCS quarterly return — 31 Oct. Every GST, TDS and Income Tax due date, updated automatically. GST · Guide GST Notices Explained What ASMT-10, DRC-01A, DRC-01 and REG-17 mean, reply deadlines and documents. Guides All guides & references In-depth, plain-English guides on GST and Income Tax.

In the works: TDS rate calculator, capital gains calculator and advance tax calculator.

All tools provide estimates for educational and informational purposes only. Tax laws are subject to change via Finance Acts and CBIC/CBDT notifications. Always consult a qualified tax professional — Advocate, CA or GST Practitioner — for your specific situation.

Tax Tools & Calculators