KanakkuGST invoices

Free GST invoice generator · Indian small business

Speak your GST invoice.தமிழ் · हिन्दी · English

Say who it’s for, what you sold and the price. Kanakku writes a proper tax invoice — GSTIN checked, CGST/SGST or IGST split, HSN summary, amount in words — and sends GSTR-1 ready files to your CA.

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No card neededLog in with an email codeInvoices stay on your phone

Everything a GST invoice needs, nothing you have to remember.

Built around Rule 46 of the CGST Rules and the way Indian businesses actually bill.

Speak it, check it, send it

Tamil, Hindi, English or a mix. Number words like ஐயாயிரம் or डेढ़ लाख become digits, “GST inclusive” prices are split back to taxable value.

GST done right

GSTIN check-digit validation, CGST + SGST, IGST or UTGST picked from place of supply, every rate from 0.25% to 40%, HSN/SAC summary.

Made for your CA

One tap shares the PDF on WhatsApp or email. Month-end exports match the GST offline tool: b2b, b2cs, hsn.

Get paid by UPI

Add your UPI ID and every invoice carries a scan-to-pay QR with the exact amount filled in.

Works without internet

Install it like an app on Android, iPhone or laptop. Pro users keep invoicing offline; it syncs when you’re back.

Your data stays yours

Invoices, clients, logo and bank details live on your device. Your account only knows your email and plan.

From “bill them” to a PDF in under a minute.

Log in

Type your email and the 6-digit code we send you — no password. Add your business name, GSTIN and bank once — every invoice after that is prefilled.

Speak or type the invoice

Tap the mic and say it, or fill the form. The A4 invoice updates as you go, with tax split and totals.

Send it

Download the PDF, share it to your client, and send the month’s sales to your CA in GSTR-1 format.

This is what your customer receives.

A clean A4 tax invoice with everything Rule 46 asks for.

  • Invoice number unique per financial year, up to 16 characters
  • Supplier and buyer GSTIN, state code and place of supply
  • Item-wise HSN/SAC, taxable value and tax, plus an HSN summary
  • Total in words in lakh and crore, signature and bank details

Two invoices free. Then ₹149 a month.

Pro is a prepaid pass — no auto-debit, no lock-in. Pay by UPI, card or netbanking.

GST invoice questions, answered.

Kanakku is a free GST bill maker for shops, freelancers, agencies and traders across India.

Is Kanakku a free GST invoice generator?

Yes. Every account can create 2 GST invoices free, with PDF download, sharing and GSTR-1 exports. After that, Pro is ₹149 a month or ₹1,199 a year for unlimited invoices.

Can I make a GST bill by speaking in Tamil or Hindi?

Yes. Tap Speak invoice and say the customer, items, quantity, price and GST rate in Tamil, Hindi, English or a mix. Kanakku converts number words like ஐயாயிரம் or डेढ़ लाख to digits and fills the tax invoice for you to check.

Is the invoice format GST compliant?

Kanakku follows Rule 46 of the CGST Rules: invoice number unique per financial year, supplier and recipient GSTIN, place of supply, HSN/SAC, taxable value, CGST/SGST or IGST, total in words and signature.

How does Kanakku decide CGST, SGST or IGST?

From the place of supply. If it is the same state as yours, tax is split into CGST and SGST (or UTGST for union territories without a legislature). If it is a different state, IGST is charged.

Can I send invoices to my CA for GSTR-1?

Yes. Send to CA shares the PDF on WhatsApp or email, and the monthly export gives a sales register plus GSTR-1 B2B, B2CS and HSN summary files in the GST offline tool’s column format.

Where is my invoice data stored?

Invoices, clients, logo and bank details stay on your device. Your account stores only your email, plan and how many invoices you have issued.

Your next invoice could take one sentence.

Free for your first 2 invoices. No card needed.