GST Invoice Generator

What is a GST invoice

A GST invoice is a tax document that a registered seller issues to a buyer for a supply of goods or services in India. It records what was sold, the taxable value, the GST charged and the total payable. Under the GST law a registered business must raise a proper tax invoice for taxable supplies, and that invoice is what lets the buyer claim input tax credit.

In practice, a GST invoice is used by shops, freelancers, consultants, agencies, manufacturers, wholesalers and service providers who are registered under GST. If your turnover is above the registration threshold, or you have voluntarily registered, you are expected to issue a GST invoice bill rather than a plain cash memo. Our online invoice generator gives you a ready invoice format so you do not have to build one from scratch in Word or Excel every time.

What a professional GST invoice format includes

• A clear invoice title, a unique invoice number and the invoice date.
• Seller name, address, and GSTIN, with your business logo if you add one.
• Buyer name, billing address, and GSTIN where the buyer is registered.
• Place of supply and the state, which decides whether CGST plus SGST or IGST applies.
• A line item table with description, HSN or SAC code, quantity, rate and taxable value.
• The GST rate and the tax amount split into CGST and SGST, or IGST for inter state supply.
• The invoice subtotal, total GST, and the grand total in figures.
• Payment terms or notes, and a signature or authorised signatory space.

How to create a GST invoice online

• Open the GST invoice generator and start with the ready invoice template.
• Enter your business details, GSTIN and upload your logo so the invoice looks professional.
• Add the buyer details, their GSTIN if registered, and the place of supply.
• Add each product or service as a line item with quantity, rate and the correct GST rate.
• Choose CGST plus SGST for supply within the same state, or IGST for a different state.
• Check the live preview on the right, which recalculates totals and tax as you type.
• Download the finished tax invoice as a PDF. The free preview carries a watermark, and a small charge removes it for a clean copy.

Skip the GST invoice format in Word or Excel

Most people search for a "gst invoice format in word" or "in excel" and end up wrestling with a blank grid: typing GSTIN and place of supply, deciding when to split CGST and SGST versus charging IGST, and re-doing formulas every time an HSN or SAC code changes. This tool handles that for you. Enter each item with its rate, quantity and GST slab (5%, 12%, 18% or 28%) and it calculates the taxable value, the CGST/SGST or IGST amount, the total tax and the grand total in words automatically. Your invoice number, seller and buyer GSTIN, and a running tax summary all stay aligned without touching a single cell or column width.

Getting the GST treatment right

Accurate tax is what separates a real GST invoice from a rough estimate. For a supply within the same state, the tax is split as CGST plus SGST, for example 9 percent plus 9 percent on an 18 percent item. For an inter state supply, you charge a single IGST at the full rate instead. The place of supply is what decides which one applies, so set it correctly.

Some items sit outside GST, so do not force a GST line where none belongs. Petrol and diesel are outside GST, which means a fuel or petrol bill shows no GST line at all. Hotel room tariffs are taxed at 12 percent up to 7500 rupees per night and 18 percent above 7500. Restaurant service is generally 5 percent. Residential rent for a home has no GST. When you use this invoice maker, apply the rate that genuinely fits the supply so the bill holds up during filing or an audit.

Using the invoice for reimbursement and records

A common use of an invoice generator online is expense reimbursement. If you paid for a genuine business expense, a clean GST invoice or bill makes it simple for your employer or client to reimburse you and, where eligible, to claim input tax credit. Keeping your own copies of invoices also makes GST return filing and year end accounting far less painful.

If an original bill for a real purchase is lost or faded, you can recreate an invoice for your own genuine records so your books stay complete and match what you actually spent. Only do this for real expenses you truly incurred. This tool is meant for legitimate record keeping and honest reimbursement, never for inventing expenses or claiming money you did not spend.

Tax invoice vs bill of supply and other GST document types

A registered business charging GST issues a tax invoice showing CGST and SGST (or IGST for inter-state supply). If you are under the composition scheme, or you supply only GST-exempt goods or services, you cannot charge GST and instead issue a bill of supply with no tax shown. For many small taxable and exempt sales to unregistered buyers you may issue an invoice-cum-bill of supply. Sales under Rs 200 to unregistered buyers can be combined into a single daily aggregate invoice. Corrections use a debit note when you undercharged and a credit note for returns, refunds or overcharging. Choosing the right document keeps your records and any GSTR-1 filing accurate.

HSN or SAC code and place of supply on a GST invoice

Every taxable GST invoice should carry the HSN code for goods or the SAC code for services, plus the place of supply. Since the current rules, businesses with turnover up to Rs 5 crore use a 4-digit HSN on B2B invoices, and those above Rs 5 crore use 6 digits; exports use 8-digit codes. The place of supply decides the tax: within the same state you charge CGST and SGST, and for a different state you charge IGST. Getting the state code and place of supply right is what lets a registered buyer claim input tax credit, so enter the correct HSN or SAC and both parties' GSTIN before you download.

Time limit for issuing an invoice and e-invoicing

For goods, issue the GST invoice on or before removal or delivery; for services, issue it within 30 days of supply. Businesses whose aggregate turnover crosses Rs 5 crore in any year must also generate an e-invoice, where invoice details are reported to the government portal to get an Invoice Reference Number (IRN) and a QR code printed on the bill. If you are under that threshold, a normal GST invoice with your GSTIN, HSN or SAC and correct tax split is fully valid. This generator produces a standard compliant invoice you can keep for your books and share with your buyer.

Common mistakes to avoid

• Charging CGST plus SGST on an inter state supply, or IGST within the same state.
• Adding a GST line to items that are outside GST, such as a petrol or diesel bill.
• Leaving out the GSTIN, place of supply or HSN or SAC code on a tax invoice.
• Reusing the same invoice number or skipping numbers in your sequence.
• Using the wrong GST rate, for example 18 percent on a restaurant bill that should be 5 percent.
• Rounding carelessly so the line items and the grand total do not add up.
• Forgetting to save or download a copy of every invoice you issue for your records.

Frequently asked questions