All Tools
📢 Advertisement — AdSense code goes here after approval
100% Free — No Login Required

India's Smartest
GST & Finance Toolkit

Free calculators for every Indian business owner, CA, freelancer and trader. Fast. Accurate. Mobile friendly.

9+
Free Tools
0
Signups Needed
100%
Free Forever
All Tools
Everything you need
Click any tool to start calculating instantly — no registration, no ads blocking your work
🧮
GST Calculator
Add or remove GST, split CGST/SGST/IGST instantly for any amount
Most searched
🏦
EMI Calculator
Home, car, personal & MSME loan EMI with full amortization
5M searches/month
🧾
GST Invoice Generator
Create professional GST invoices and download as PDF instantly
PDF download
⚠️
Late Fee Calculator
Calculate GSTR late fee penalty for GSTR-1, 3B, 9 and 4
Low competition
📈
SIP Calculator
Calculate mutual fund SIP returns with wealth gain estimate
Investments
💰
Income Tax Calculator
New vs Old regime comparison for FY 2025–26
New regime 2026
🔍
HSN Code Finder
Find HSN/SAC code and GST rate for any product or service
500K searches/month
📅
GSTR Filing Deadlines
Live countdown to all GST return due dates — never miss a deadline
Live dates
🔄
Reverse Charge Calculator
Calculate GST liability under RCM for all notified services
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.