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PaisaCalcIndia · 2025

Free GST Invoice Generator India 2026

Create GST-compliant tax invoices instantly. Auto-computes CGST+SGST (intra-state) or IGST (inter-state). Add logo, HSN/SAC codes, multiple line items, and bank details. Export as PDF. 100% free. Data never leaves your browser.

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All data stays in your browser. Nothing is sent to any server. Supplier profile auto-saved locally.

Supplier / Your Business Details

PNG / JPG · max 2 MB

Bank Details (for payment)

Invoice Details

Bill To (Buyer / Customer)

Intra-State Supply → CGST + SGST applies (Delhi)

Line Items

Item 1
Taxable Value
₹10,000.00
CGST (9%): ₹900.00SGST (9%): ₹900.00Total: ₹11,800.00
Taxable Amount₹10,000.00
CGST₹900.00
SGST₹900.00
Grand Total₹11,800.00
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Why This Generator

GST-compliant invoices in seconds

Auto CGST / SGST / IGST
Select supplier and buyer states; tax type switches automatically. CGST+SGST for intra-state, IGST for inter-state. No manual calculation.
Live Preview
See the exact invoice as you type. What you see in the preview is exactly what gets printed. No surprises.
Multiple Items & GST Rates
Add unlimited line items, each with its own HSN/SAC code and GST rate (0%, 5%, 12%, 18%, 28%).
All Mandatory Fields
GSTIN, HSN/SAC, place of supply, reverse charge, invoice number, discount: every field required by Rule 46 of CGST Rules.
Amount in Words
Total invoice value printed in Indian number format (Lakh/Crore). Required on formal tax invoices.
Logo & Bank Details
Upload company logo and enter bank details for professional invoices. Your details are auto-saved for next time.
B2B & B2C Support
GSTIN is optional for B2C invoices. Works for both registered and unregistered buyers across all Indian states.
Zero Data Risk
Everything runs in your browser. No server, no account, no GSTIN or financial data ever transmitted.
PDF in One Click
Print-quality A4 PDF export with proper margins, suppressed browser headers, and footer branding.
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Frequently Asked Questions

Is this GST invoice generator free?
Yes, completely free. No signup, no watermark, no limits. Generate unlimited GST invoices and download as PDF.
Is my business data safe?
All data is processed entirely in your browser. Nothing is sent to any server. Your GSTIN, bank details, and invoice data never leave your device.
What is the difference between CGST+SGST and IGST?
For intra-state supplies (supplier and buyer in the same state), CGST and SGST are charged, each at half the applicable GST rate. For inter-state supplies (different states), IGST is charged at the full rate. This tool auto-detects based on the states you select.
What are the mandatory fields on a GST invoice?
As per Rule 46 of CGST Rules: supplier name, address, GSTIN; unique invoice number; invoice date; buyer name and GSTIN (for B2B); HSN/SAC code; description, quantity, and rate; taxable value; GST rate and amount (CGST/SGST or IGST); place of supply; reverse charge status; and total invoice value.
What is HSN and SAC code?
HSN (Harmonised System of Nomenclature) is used for goods. SAC (Services Accounting Code) is used for services. Both are required on GST invoices. Businesses with turnover above ₹5 crore must use 6-digit HSN/SAC codes; others may use 4-digit codes.
What is Place of Supply?
Place of Supply determines which state gets the tax revenue and whether CGST+SGST or IGST applies. For goods, it is generally the delivery state. For services, it is usually the buyer's state. The place of supply (not the shipping address) determines the tax type.
What is Reverse Charge Mechanism (RCM)?
Under RCM, the recipient (buyer) is liable to pay GST instead of the supplier. This applies in specific cases like purchases from unregistered dealers or certain notified services. When RCM applies, check the "Reverse Charge" box in this generator.
Can I add multiple items with different GST rates?
Yes. Each line item can have its own HSN/SAC code and GST rate (0%, 5%, 12%, 18%, or 28%). The tool computes CGST, SGST, and IGST separately for each item and totals them at the bottom.
What is the invoice number format for GST?
GST invoice numbers must be unique per financial year, sequential (no gaps), maximum 16 characters, and contain only alphanumeric characters, hyphens (-), or slashes (/). Example: INV-2026-001 or 2026-27/001.
Can I save my supplier details for the next invoice?
Yes. Your supplier/business details (name, GSTIN, address, state, bank details) are auto-saved in your browser's localStorage. They are pre-filled the next time you visit.