GST Invoice Generator Guide

Create professional GST-compliant invoices for your business transactions.

How to Use

Step 1: Business Details

Enter your business information:

• Company name
• Address
• GSTIN (15-digit)
• Contact details

Step 2: Customer Details

Add customer information:

• Name/Business name
• Address
• GSTIN (if B2B)
• State (for GST calculation)

Step 3: Invoice Details

Set invoice specifics:

• Invoice number
• Invoice date
• Due date
• Place of supply

Step 4: Add Items

For each product/service:

• Description
• HSN/SAC code
• Quantity
• Unit price
• GST rate
• Discount (if any)

Step 5: Generate

Review and download your GST invoice as PDF.

GST Invoice Requirements

Mandatory Fields

1. Supplier name and GSTIN
2. Invoice number (unique, sequential)
3. Invoice date
4. Customer details
5. HSN/SAC codes
6. Item descriptions
7. Quantity and unit
8. Taxable value
9. Tax rates and amounts
10. Total amount

For B2B Invoices

• Customer GSTIN required
• Place of supply
• Reverse charge applicability

Tax Calculation

Intra-State (Same State)

• CGST: Half of GST rate
• SGST: Half of GST rate
• Example: 18% GST = 9% CGST + 9% SGST

Inter-State (Different States)

• IGST: Full GST rate
• Example: 18% GST = 18% IGST

Best Practices

• Maintain sequential invoice numbers
• Include HSN codes for all items
• Keep copies for 6 years
• Match with GST returns

Related Tools

• GST Calculator - Calculate GST amounts
• Invoice Generator - Non-GST invoices
• Quotation Generator - Create quotes