GST Invoice Generator
Create professional, legally compliant GST invoices in seconds. Our invoice generator ensures all mandatory fields are included and calculations are accurate according to GST regulations.
Key Features
- ✅ GST Compliant: All mandatory fields as per GST rules
- 🧮 Auto Calculations: Automatic tax calculations and totals
- 📄 Professional Format: Clean, business-ready invoice design
- 💾 Download Options: PDF and print-ready formats
- 🔢 HSN Code Support: Integrated HSN code selection
- 🏢 Business Details: Save and reuse company information
Legal Requirement
Under GST law, every registered dealer must issue a tax invoice for supplies made to other registered dealers. Our generator ensures 100% compliance.
How to Generate an Invoice
Company Information
Enter your business details:
- Company name and address
- GSTIN (GST Identification Number)
- State code and place of supply
Customer Details
Add buyer information:
- Customer name and billing address
- Customer GSTIN (if applicable)
- Shipping address (if different)
Invoice Details
Set invoice specifics:
- Invoice number and date
- Due date and payment terms
- Reference numbers (if any)
Add Items
For each product/service:
- Item description
- HSN/SAC code
- Quantity and unit
- Rate per unit
- GST rate applicable
Generate & Download
Review all details and download your professional invoice as PDF
Mandatory Fields (As Per GST Law)
Supplier Information Required
- Name, address and GSTIN of the supplier
- State name and code of the place of supply
- Serial number of the invoice
- Date of issue of the invoice
Recipient Information Required
- Name, address and GSTIN of the recipient (if registered)
- State name and code of the place of supply
- For unregistered recipients, only name and address required
Invoice-Level Information
- Invoice number (must be sequential)
- Invoice date
- Value of supply
- Rate of tax (CGST, SGST, IGST rates)
- Amount of tax charged
- Place of supply with state code
Item-Level Information
- Description of goods or services
- HSN code for goods or SAC code for services
- Unit of measurement and quantity
- Total value of supply
- Taxable value if different from total value
- Rate and amount of tax charged
GST Invoice Types
1. B2B Invoice (Business to Business)
For transactions between registered dealers:
- All mandatory fields required
- GSTIN of both parties mandatory
- Input tax credit available to buyer
2. B2C Invoice (Business to Consumer)
For sales to end consumers:
- Customer GSTIN not required
- Simplified format allowed for amounts under ₹200
- All other mandatory fields apply
3. Export Invoice
For international sales:
- Special format with export details
- IGST rate application
- Shipping and port information
- Foreign exchange details
Tax Calculations
The system automatically calculates:
Intra-State Supply (Within Same State)
- CGST: Central GST (50% of total GST rate)
- SGST: State GST (50% of total GST rate)
- Total GST: CGST + SGST
Inter-State Supply (Different States)
- IGST: Integrated GST (Full GST rate)
- No CGST/SGST: Only IGST applies
State Code Importance
Ensure correct state codes are used as they determine whether CGST+SGST or IGST applies to the transaction.
Common HSN Codes
| HSN Code | Description | GST Rate |
|---|---|---|
| 1701 | Cane or beet sugar | 0% |
| 1006 | Rice | 5% |
| 8517 | Mobile phones | 12% |
| 9983 | IT Services (SAC) | 18% |
| 8703 | Motor cars | 28% |
Best Practices
Invoice Numbering
- Use sequential numbering (INV001, INV002, etc.)
- Include financial year prefix (2024-25/INV001)
- Maintain continuity without gaps
Record Keeping
- Store all invoices for 6 years minimum
- Maintain digital and physical copies
- Organize by month/quarter for easy retrieval
Compliance Tips
- Issue invoices within 30 days of supply
- Ensure all mandatory fields are complete
- Cross-verify GSTIN of customers
- Maintain proper books of accounts
Sample Invoice Format
INVOICE
From: To:
ABC Company Ltd. XYZ Enterprises
123 Business Street 456 Customer Road
Mumbai, Maharashtra 400001 Delhi 110001
GSTIN: 27ABCDE1234F1Z5 GSTIN: 07PQRST5678G2H9
State: Maharashtra (27) State: Delhi (07)
Invoice No: INV-2024-001 Date: 04/09/2024
Place of Supply: Delhi (07)
Items:
Description HSN Qty Rate Taxable IGST Total
Software 9983 1 10000 10000 1800 11800
Service @18%
Total Taxable Value: ₹10,000
Total IGST: ₹1,800
Total Invoice Value: ₹11,800Troubleshooting
Common Issues
Invalid GSTIN Error
- Verify 15-digit GSTIN format
- Check if GSTIN is active on GST portal
Calculation Errors
- Ensure correct GST rates are selected
- Verify HSN codes match product categories
Download Issues
- Check browser popup settings
- Ensure stable internet connection
Related Tools
- GST Calculator - Calculate GST amounts before invoicing
- HSN Code Finder - Find correct HSN codes for your products
- GST Rate Finder - Determine applicable GST rates
For complex billing scenarios or integration requirements, consult our Knowledge Base or contact a GST professional.