All Tools
New 2026 Two new free guides just launched on GSTwala
📋 GST Registration Guide 📅 Due Date Calendar 2026-27
🏠 New — Business Loan

Get a Business Loan
Using Your GST

Rs.50,000 to Rs.50 Lakhs  •  No collateral  •  12+ RBI-approved lenders  •  Approval in 24-72 hours

5,000+
Businesses Served
12+
RBI Lenders
24-72hr
Approval Time
11
Free Tools
Check My Eligibility →
Free GST calculators, guides & 11 tools below ↓
All Tools & Guides
Everything you need for GST & Finance
Click any tool to start instantly — no registration, no login, no ads blocking your work
🧮
GST Calculator
Add or remove GST, split CGST/SGST/IGST instantly for any amount and any GST slab
Most searched
📋
GST Registration Guide
Step-by-step guide to register for GST online — documents needed, portal process, common mistakes. Hinglish mein.
New Guide
📅
GST Due Date Calendar 2026-27
Complete month-wise filing deadlines for GSTR-1, GSTR-3B, QRMP and annual returns. Never miss a deadline.
FY 2026-27
🧾
GST Invoice Generator
Create professional GST tax invoices with CGST/SGST/IGST breakup. Download as PDF instantly.
PDF download
⚠️
GST Late Fee Calculator
Calculate GSTR-1, GSTR-3B, GSTR-9 late fee penalty. Know exactly how much you owe.
Low competition
🔍
HSN Code Finder
Find HSN/SAC code and GST rate for any product or service in India. Used by 500K+ businesses.
500K searches/month
🏦
EMI Calculator
Home loan, car loan, personal loan & MSME loan EMI with full year-wise amortization schedule
5M searches/month
💰
Income Tax Calculator
New vs Old regime comparison for FY 2025-26. Find which regime saves you more money.
New regime 2026
📈
SIP Calculator
Calculate mutual fund SIP returns, maturity value and wealth gained over time
Investments
⏰
GSTR Filing Deadlines
Live countdown to all GST return due dates for FY 2025-26. Never miss a filing deadline.
Live dates
🔄
Reverse Charge Calculator
Calculate GST payable under RCM for legal services, GTA, import of services and more
RCM specialist
Why GSTwala
Built for Indian businesses
⚡
Instant Results
No waiting. Results update as you type. Faster than any app on your phone.
📱
Mobile Optimised
Works perfectly on every phone, tablet and desktop. No app download needed.
🔒
No Login, No Data
We don't store anything. Use every tool without creating an account.
🇮🇳
India-Specific
Built for Indian GST rules, CGST/SGST/IGST structure, and Indian tax laws — not generic global tools.
📖
Guides in Hinglish
Our GST registration guide and due date calendar explain everything in simple Hindi-English mix.
🆓
Always Free
Every tool, every guide, forever free. No subscription, no paywall, no premium version.

Free GST Tools for India — Everything in One Place

GSTwala is India's free online toolkit for GST compliance and finance calculations. Whether you need to calculate GST on an invoice, find out your GSTR-1 and GSTR-3B due dates for FY 2026-27, learn how to register for GST, or calculate your home loan EMI — GSTwala has a free tool for every need.

Our GST registration guide walks you through the complete process in simple Hinglish — from documents required to filing your first return. Our GST due date calendar for FY 2026-27 covers all monthly, quarterly, and annual return deadlines so you never miss a filing date. Use our GST late fee calculator to know the penalty if you've already missed a deadline.

All tools are completely free — no login, no registration, no subscription. Your financial data stays in your browser and is never sent to any server.

🏠Home 🧮GST 📅Dates 🧾Invoice 📋Register