GST Invoice Generator
India GST invoice with HSN
About GST Invoice Generator
Generate fully GST-compliant invoices with automatic tax type detection — CGST+SGST for intra-state, IGST for inter-state, and CGST+UTGST for Union Territory supplies. Supports HSN/SAC codes, per-item GST rates, reverse charge, detailed GST breakup table, amount in words, bank details, and round-off. Print or save as PDF in one click. Covers all 37 Indian states and union territories.
Frequently Asked Questions
Built and maintained by Sanjay Singh · Founder, Numrexo
Builds and maintains the calculators on Numrexo. Each tool's formula is documented on its page, and any reference source it relies on is listed under Method and references.
Last updated: · Calculations run in your browser. Nothing you enter is sent to us or stored.
Method and references
- GST slabs restructured to 0%, 5%, 18% and 40% with effect from 22 September 2025
- Rates shown are a starting point — confirm your HSN/SAC rate with CBIC or your accountant
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