GST Invoice Generator Free

Enter your GSTIN, your customer's details and the items. Tax is split into CGST + SGST for sales within your state, or IGST for inter-state sales — automatically.

🧾 Invoice details

Same state → CGST + SGST
TAX INVOICE
Your Business Name
GSTIN: — · State: Kerala (32)
Invoice No: INV-0001
Date: 16 Oct 2026
Place of supply: Kerala (32)
Reverse charge: No
Bill to
Customer name
GSTIN: Unregistered · State: Kerala (32)
#DescriptionHSN/SACQtyRateDiscTaxableCGSTSGSTAmount
Total0.000.000.000.00
HSN/SACTaxableCGSTAmtSGSTAmtTotal tax
Taxable value0.00
CGST0.00
SGST0.00
Grand total₹ 0.00
Amount in words: Rupees Zero Only
Terms
Goods once sold will not be taken back. Interest @18% p.a. will be charged if payment is not made within the due date.
For Your Business Name
Authorised Signatory
Built by Pyalm

Making invoices one at a time in a generator works — until you need numbering, payment tracking, reminders and reports. Pyalm Books does all of that, with inventory and POS built in.

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What a GST tax invoice must show

Under Rule 46 of the CGST Rules, a tax invoice must include the supplier's name, address and GSTIN; a unique invoice number and date; the recipient's name, address and GSTIN (if registered); place of supply; HSN or SAC codes; quantity, value and taxable value of each item; the GST rate and the amount of CGST, SGST/UTGST or IGST; and a signature. This generator lays all of these out for you.

CGST + SGST or IGST?

If the supplier and the place of supply are in the same state, the tax is split equally into CGST and SGST (for 18%: 9% + 9%). If they're in different states, the whole amount is IGST. Choose your state and the place of supply, and the invoice applies the right one.

📖 Read the full guide: GST Invoice Format: Required Fields, CGST/SGST vs IGST and HSN Codes

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FAQ

Frequently asked questions

Is my information saved or uploaded?

No. Everything you type stays in your browser and the PDF is produced by your browser's own print engine. Nothing is sent to Pyalm or stored on a server.

Is this invoice valid for GST?

It contains the fields required for a tax invoice under the CGST Rules. If your turnover requires e-invoicing (IRN and QR code from the IRP), you must also register the invoice on the e-invoice portal — this tool doesn't generate an IRN.

How many HSN digits do I need?

Businesses with turnover up to ₹5 crore must show at least 4-digit HSN codes on B2B invoices; above ₹5 crore, 6 digits. Check the current CBIC notification for your case.

Can I use it for a bill of supply?

Set every item's GST rate to 0% and change the title to 'Bill of Supply' — used by composition dealers and for exempt supplies.

Stop building business documents by hand

Making invoices one at a time in a generator works — until you need numbering, payment tracking, reminders and reports. Pyalm Books does all of that, with inventory and POS built in.

Start free on Pyalm Books

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