Create professional GST invoices in seconds. Add your business details, customer info, items and GST rate — then print or save as PDF. Free, no signup needed.
Mandatory GST invoice fields: seller's GSTIN and address, buyer's GSTIN (for B2B), invoice number and date, description of goods/services, HSN/SAC code, quantity, rate, taxable value, GST rate (CGST+SGST or IGST), total value. Invoice must be issued within 30 days of supply.
Can I make GST invoice without GST number?▼
If your annual turnover is below ₹20 lakh (₹10L for special category states), GST registration is not mandatory and you don't need to charge GST. You can issue a regular invoice without GST. Above the threshold, GST registration is compulsory and you must issue GST invoices.
Free GST Invoice Generator India — Professional Invoices in 30 Seconds
Generate professional GST-compliant invoices instantly for free. Our generator creates invoices with all mandatory fields: GSTIN, HSN/SAC codes, CGST/SGST/IGST split, place of supply, invoice number series, and digital signature placeholder. Download as PDF or print directly. Compliant with GST Invoice Rules 2017 and updated for GST 2.0 (September 2025) new rate structure.
Mandatory Fields in a GST Invoice
Every GST invoice must contain: (1) Supplier name, GSTIN, and address, (2) Invoice number (unique, sequential), (3) Invoice date, (4) Buyer name, GSTIN, and address, (5) HSN/SAC code for each item, (6) Description and quantity of goods/services, (7) Unit price and total value, (8) GST rate and amount (CGST + SGST or IGST), (9) Total invoice value, (10) Place of supply. Missing any field can result in ITC (Input Tax Credit) rejection for your buyer.
GST Invoice Rules 2026 — Time Limit and Format
GST invoices must be issued within 30 days of service delivery (45 days for banks/FIs). For goods: at time of supply. E-invoice mandatory for turnover above ₹5 crore — must be generated on IRP portal before sending to customer. Invoice series must restart every financial year. Keep invoices for 6 years from the end of the relevant financial year. Digital invoices are fully valid — no requirement for physical copy.
Frequently Asked Questions
Is e-invoice mandatory for my business?▼
E-invoice (electronic invoice via IRP) is mandatory if your annual turnover exceeds ₹5 crore. Below ₹5 crore: regular GST invoice is sufficient. E-invoice requires registering on einvoice1.gst.gov.in and generating IRN (Invoice Reference Number) for each invoice.
Can I use any invoice format for GST?▼
Yes, there is no mandated format — only mandatory fields. You can use our generator, Excel templates, or accounting software. The invoice must have all required fields. For B2B transactions, buyer needs correct GSTIN and HSN codes to claim ITC.