Free GST Filing Solution for Small Businesses
Generate error-free JSON for GSTR-1 Table 12 (HSN Summary) and Table 13 (Documents Issued) in 5 minutes. 100% free tool with no registration required.
Free GST Filing Helper
Generate GSTR-1 JSON for Table 12 & 13
How to Fill Document Details (Table 13)
1. Document Type (Doc Type)
Select the type of document you issued:
- INV - Regular Tax Invoice
- DN - Debit Note (When increasing invoice value)
- CN - Credit Note (When decreasing invoice value)
2. Start Number
Enter the first invoice number in your series:
- Only numeric values (e.g., 100, 250)
- Without prefixes/suffixes
Example: If your invoices are GST/001 to GST/050, enter "1"
3. End Number
Enter the last invoice number in this series:
Example: Continuing above example, enter "50"
4. Total (Auto-Calculated)
The system calculates this automatically:
Total = (End Number - Start Number) + 1
Table 13: Documents Issued
| Doc Type | Start No | End No | Total | Action |
|---|
Table 12: HSN Summary
| HSN Code | Description | UOM | Qty | Value (₹) | Action |
|---|
How to File GST Without Errors?
Our free GST tool solves common filing problems:
- ✅ Automatic HSN code validation
- ✅ Document series calculation
- ✅ GSTN-compatible JSON generation
- ✅ Mobile-friendly interface
Step-by-step guide: Enter details > Generate JSON > Upload on GST Portal