How do I select IGST mode in the generator?

Simply toggle the Tax mode to IGST in the Tax & Discount section. Enter your tax rate (e.g. 18%), and the invoice will apply IGST to the total taxable amount.

Can I download the IGST invoice as a PDF?

Yes! Click "Download PDF" to generate a high-quality PDF document instantly.

Inter-State GST Billing Tool

Invoice Generator with IGST

Generate inter-state tax invoices for sales across state lines. Our free IGST invoice generator applies Integrated Goods and Services Tax (IGST) seamlessly to your taxable subtotal and generates compliant B2B PDF invoices.

Create Free Invoice Now GST Invoice Generator

Designed for Inter-State B2B & B2C Billing

Applies full Integrated GST (IGST) rate for inter-state transactions

Supports Place of Supply state codes for multi-state business compliance

Clear breakdown of taxable subtotal, IGST amount, and grand total

Add supplier and buyer GSTIN numbers for Input Tax Credit claims

Built-in UPI QR code generator for instant bank settlement

Instant high-resolution PDF download and WhatsApp document sharing

When to Apply IGST on Invoices

Inter-State Product Shipping

When goods are sold and dispatched from one state (e.g. Maharashtra) to a buyer in another state (e.g. Karnataka).

Inter-State Service Delivery

When a service provider in Delhi delivers digital marketing or consulting to a client registered in Tamil Nadu.

Special Economic Zones (SEZ)

Supplies made to SEZ units or developers located outside your domestic tariff area.

Export / Cross-Border Billing

Services or goods supplied internationally where IGST refund claims or LUT bonds apply.

IGST Inter-State Calculation Example

Sample services and products commonly added to this invoice format

Service / Item	Description	Qty	Rate (₹)	Total Price (₹)
Inter-State Web Application Development (Delhi to Bangalore)	Taxable Subtotal: ₹1,00,000 \| IGST @ 18%: ₹18,000 \| Total: ₹1,18,000	1	₹1,00,000	₹1,00,000
Inter-State Hardware Supply (Gujarat to Maharashtra)	Taxable Subtotal: ₹40,000 \| IGST @ 18%: ₹7,200 \| Total: ₹47,200	1	₹40,000	₹40,000

Essential IGST Invoice Components

Place of Supply (State & Code)

Indicates the state where the recipient is located or where goods are delivered.

IGST Tax Amount

Single integrated tax percentage (e.g. 18% or 12%) applied to the net taxable subtotal.

Supplier & Buyer GSTIN

15-digit GST numbers required for Inter-State tax reconciliation on the GST portal.

Taxable Value

Gross item value minus any trade discounts before calculating IGST.

How to Generate Your Invoice in 3 Steps

Enter Details

Fill in your business name, client details, invoice date, and line items into the clean form.

Set Tax & Template

Select your preferred template (Modern, Professional, Minimal) and apply GST/CGST/SGST/IGST if required.

Download & Share

Click to export a crisp PDF or share the PDF document and invoice summary directly on WhatsApp.

Frequently Asked Questions

Find quick answers to common questions about generating invoices with our tool

IGST (Integrated GST) is charged on inter-state sales (between two different states), whereas CGST and SGST are charged on intra-state sales (within the same state).