Guide

Free GST Invoice Generator for India

July 3, 2026  ·  3 min read  ·  Fourmeld Blog

Generate compliant GST invoices with automatic CGST/SGST/IGST calculation — free, no signup, download PDF instantly.

GST Invoice Requirements A valid GST invoice in India must include: GSTIN of supplier, GSTIN of buyer (B2B), HSN/SAC code, tax rate (5%, 12%, 18%, 28%), CGST/SGST or IGST breakup, and unique invoice number.
1

Open Fourmeld Invoice

Go to fourmeld.com/invoice.

2

Enable GST mode

Toggle GST invoice mode. Enter your GSTIN, HSN/SAC code and select the applicable GST rate.

3

Fill in buyer details

Enter buyer name, address and GSTIN (for B2B transactions). Leave GSTIN blank for B2C.

4

Download GST invoice PDF

The invoice automatically calculates CGST + SGST (intra-state) or IGST (inter-state). Download PDF.

Tips

FAQs

Who needs to issue a GST invoice?

Any GST-registered business or individual with turnover above the GST threshold (₹20L for services, ₹40L for goods).

What is a bill of supply?

A bill of supply (not a GST invoice) is issued for exempt goods/services or by composition scheme taxpayers.

Can I create a GST invoice for free?

Yes — Fourmeld generates fully compliant GST invoices with CGST/SGST/IGST breakup for free.

Create GST Invoice Free

Generate professional invoices instantly — free, no account needed.

Create Your Invoice Free on Fourmeld →