Create a professional GST invoice or GST bill for your Indian business. Add items with HSN/SAC, discount and GST rates, choose CGST+SGST, IGST or No GST, see the amount in words, then print or save as PDF — all in your browser.
Quick GST rates (0%, 5%, 12%, 18%, 28%) are available in each item's GST% field — or type a custom percentage. Discount is applied on Quantity × Rate before GST.
The bank details below will appear on the invoice for this payment mode.
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The SUPRAVAT.IN GST invoice generator is a free online GST bill maker built for Indian businesses, freelancers and shop owners. It lets you create a clean, professional GST invoice with seller and customer details, HSN/SAC codes, item-level discounts, CGST/SGST or IGST tax calculation, the grand total in words, and a print-ready layout you can save as PDF using your browser's native print dialog. Everything runs locally in your browser — no sign-up, no data sent anywhere.
A GST invoice (also called a tax invoice) is a commercial document issued by a registered supplier when supplying goods or services. A valid GST bill must show the seller's and buyer's GSTIN, invoice number and date, HSN/SAC codes, the taxable value of each item, the rate and amount of GST (CGST + SGST or IGST), and the total amount payable.
For every item the tool computes: Gross = Quantity × Rate, Discount = Gross × Discount%, Taxable Amount = Gross − Discount, GST = Taxable Amount × GST%, and Item Total = Taxable Amount + GST. GST is always calculated on the discounted (taxable) value, never on the original gross amount.
When the supplier and the buyer are in the same state (intra-state supply), the GST is split equally into CGST (Central GST) and SGST (State GST) — each half of the total GST percentage.
When the supplier and the buyer are in different states (inter-state supply), the full GST is charged as IGST (Integrated GST).
HSN (Harmonised System of Nomenclature) codes classify goods and SAC (Services Accounting Code) codes classify services. Including the correct HSN/SAC on a GST invoice is a compliance requirement for registered taxpayers.
A GST invoice is a tax bill issued by a GST-registered supplier showing the supply of goods or services, the taxable value, HSN/SAC, and the CGST/SGST or IGST charged. It is the primary document for claiming input tax credit.
Any business or individual registered under GST must issue a tax invoice for every taxable supply. The exact type and timing depend on the nature of supply (goods or services) and your turnover.
Use CGST + SGST when the supplier and buyer are in the same state (intra-state). Use IGST when they are in different states or union territories (inter-state). Use No GST for exempt or non-GST supplies.
Discount is applied before GST. This tool calculates GST on the taxable value (Quantity × Rate − Discount), which is the correct method for GST invoices.
Yes. It is completely free, runs entirely in your browser, and does not require sign-up. Nothing you type is uploaded anywhere.
Click Print Invoice, then in the print dialog choose Save as PDF as the destination. The print layout is clean and contains only the invoice.