Free Tax & GST Tools for India
A growing library of free calculators, checklists and reference guides for Income Tax and GST in India. Use them yourself, share with your team, or link to them from your blog — no signup required.
Building a resource page or roundup? You're welcome to link to any tool below — please credit Tax Easy India.
Income Tax Calculator (FY 2024-25 to 2026-27)
Compare old vs new regime, see slab-wise tax, surcharge, cess and rebate under section 87A — updated for the latest budget.
Open calculatorGST Fee & Filing Calculator
Estimate monthly GST return-filing fees by transaction volume, plus quick GST on invoice amount.
Open GST calculatorITR Form Selector Guide
Quick reference on which ITR form to file — ITR-1 to ITR-7 — based on income type, residential status and business structure.
Read guideOld vs New Tax Regime — Comparison
Side-by-side comparison with break-even calculation so salaried taxpayers can pick the right regime each year.
Compare regimesITR Filing Document Checklist
PAN, Aadhaar, Form 16, 26AS, AIS/TIS, bank interest, capital-gain statements — the full pre-filing checklist.
View checklistGST Registration Document Checklist
Proprietor, partnership, LLP and company — exact documents, photo and proof requirements for GSTIN.
View checklistTax & GST Due-Date Tracker (FY 2025-26)
GSTR-1, GSTR-3B, CMP-08, TDS, advance tax and ITR deadlines — month-by-month.
Browse compliance postsBooks of Accounts Preservation Guide
How many years to keep books, vouchers and supporting documents under Income Tax Act and GST law.
Read guideForm 26QB — TDS on Sale of Property
When TDS @1% applies, how to pay, generate Form 16B and avoid penalty for non-filing.
Read guideMissed Last Year's ITR? File ITR-U
Updated-return rules, time limits and additional tax — a recovery option for non-filers.
Read guideNeed a specific calculator or template?
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