Your data stays on your device. Nothing is uploaded to any server.

Home GSTR-1 GSTR-3B Reconcile GST Invoice GST Tools About Privacy Contact

Sales Invoices

Not sure which HSN or SAC code applies to your business?

Search the complete official list — 21,932 goods codes and 681 service codes.

Privacy-first GST self-filing preparation assistant for Indian GST taxpayers.

Prepare returns

GSTR-1 Preparation
GSTR-3B Preparation
Sales Invoices
Excel/CSV Import
Export Data

Your privacy

All data stays on your device
No server uploads
No account or login needed
Works offline after loading
Clear data anytime

Important

GSTSelf prepares your return data. You must file your returns on the official GST Portal.

Open GST Portal

GST Tools Directory

Browse all tools

GST Calculator
Reverse GST
Interest Calculator
Inclusive Amounts
+7 more

Invoice Generator
Invoice Checker
Invoice Builder
Discount + GST
+3 more

GSTR-1 Totals
GSTR-3B Totals
Tax Liability

ITC Totals
Net Cash Payable
Credit Utilisation

1 vs 3B Diff

HSN/SAC Finder
HSN Summary
SAC Summary

GSTIN Check
State Codes
All Slabs
Due Dates

Resources

GST Invoice Guide
GST Invoice Format
CGST vs SGST vs IGST
Create a GST Invoice Online
GST FAQs

© 2026 GSTSelf. Not affiliated with the Government of India or GSTN.

GST Rules: 0.1.0|About|Contact