A GST invoice is a document issued by a registered supplier listing goods/services sold, applicable GST rates (CGST+SGST or IGST), and the total amount. It is mandatory for businesses with turnover above ₹40 lakh (₹20 lakh for services).
What details are mandatory on a GST invoice?▼
A GST invoice must include: supplier & buyer name/address/GSTIN, invoice number & date, HSN/SAC codes, description & quantity, taxable value, GST rate & amount (CGST+SGST or IGST), and total value.
What is the difference between CGST/SGST and IGST?▼
CGST (Central) and SGST (State) apply on intra-state sales where both parties are in the same state. IGST (Integrated) applies on inter-state sales. The total GST rate is the same; only the split differs.
Can I download the invoice as PDF?▼
Yes. Click 'Print / Download PDF' and select 'Save as PDF' as the destination in your browser's print dialog. The invoice is formatted with print-friendly styles for clean output.
Is this invoice generator free?▼
Yes, CalcMonk's invoice generator is 100% free with no sign-up required. Your data stays in your browser and is never uploaded to any server.