Free GST Billing Software - Create PDF Invoices

Create 100% compliant invoices with our free GST billing software. Generate, download, and share professional PDF invoices instantly without any registration, setup fees, or hidden costs.

Your Company Name

Address: 1 Main Street

GSTIN: N/A

Mobile: N/A

State: 19-West Bengal

Customer Details

Customer Name

GSTIN

Mobile

State

Address

Ship To Details

Name

GSTIN

Mobile

Address

Invoice Details

Invoice Number

Invoice Date

Form Type

Items

Product	HSN	Quantity	Sales Rate	Discount%	GST%	Total	Action

Terms & Conditions

Invoice Summary

Total Items:1

Subtotal:₹100.00

CGST:₹2.50

SGST:₹2.50

Grand Total:₹105.00

How to Use This Free GST Billing Software

Create professional GST-compliant invoices in minutes. No registration, no downloads, just instant invoice generation for your business.

Enter Your Business Details

Add your business name, GSTIN, address, and contact information. These details appear on every invoice you create, giving your invoices a professional look.

Add Customer Information

Enter your customer's name, address, and GSTIN if applicable. For B2B transactions, the customer GSTIN is mandatory for proper GST filing.

Add Products or Services

List your items with HSN/SAC codes, quantities, rates, and applicable GST rates. The tool automatically calculates CGST, SGST, or IGST based on the transaction type.

Download or Print Invoice

Generate your GST invoice instantly. Download as PDF for digital sharing or print directly for your records. No watermarks, completely free.

GST Invoice Requirements and Tips

GSTIN Format: Must be 15 characters with state code, PAN, entity code, and checksum.

HSN/SAC Codes: Mandatory for businesses with turnover above Rs. 5 crore.

Invoice Number: Keep sequential numbering for easy GST return filing.

Tax Calculation: CGST + SGST for intrastate, IGST for interstate transactions.

Features of Our Free GST Billing Software

Everything you need to create professional GST-compliant invoices. No downloads, no registration, just instant billing.

100% GST-Compliant Invoices

Generate invoices that meet all Government of India GST requirements. Our free GST billing software automatically calculates CGST, SGST, and IGST based on your transaction type. Includes all mandatory fields like GSTIN, HSN/SAC codes, invoice number, and proper tax breakdowns required for your GST return filing.

Professional A4 Format

Generate clean and professional A4 sized invoices perfect for sharing or printing. Standard layout accepted by all businesses and tax authorities.

Instant PDF Download

Download your GST invoice as a high-quality PDF instantly. Share via WhatsApp, email, or print directly. No watermarks.

HSN and SAC Code Support

Add HSN codes for goods and SAC codes for services. Mandatory for GST compliance and helps in accurate classification of your products.

Automatic Tax Calculation

Enter item rates and GST percentages. The tool calculates taxable amount, CGST, SGST, IGST, and total amount automatically with zero errors.

100% Private and Secure

Your business data is 100% secure. We use a secure server to generate your invoice PDF, but your data is never saved, stored, or processed for any other purpose. It is used solely to create your file in memory and is immediately discarded. Use this free GST billing software with total peace of mind.

We are constantly improving this free GST billing software with new features and formats.

Why Use Our Free GST Billing Software?

Built by Zubizi, trusted by thousands of Indian businesses. Our GST invoicing tool is designed for real-world retail and service needs.

Government Compliant Format

Our invoices meet all GST Act requirements including mandatory fields, proper tax breakdowns, and correct formatting. Accepted by auditors and tax authorities. No compliance worries.

Instant Access, No Signup

Start creating invoices immediately without registration or email verification. No forms to fill, no passwords to remember. Just open the page and start billing. Perfect for urgent invoicing needs.

No Watermarks on PDF

Unlike other free tools, our invoices come without any branding or watermarks. Your invoices look completely professional and clean. Perfect for sending directly to your clients.

Multiple GST Rate Options

Support for all GST slabs including 0%, 5%, 12%, 18%, and 28%. Handles CGST + SGST for intrastate and IGST for interstate transactions automatically. No manual calculations needed.

Easy Print and Share

One-click printing for physical copies. Download PDF for WhatsApp or email sharing. The professional layout ensures your invoice looks professional on any device. Your customers see a polished, branded invoice.

100% Free Forever

No hidden costs, no premium tiers, no usage limits. Create unlimited invoices for your business. We built this tool to help Indian businesses succeed, and we mean it when we say free.

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Need Complete GST Billing for Your Business?

This free GST billing software is perfect for creating quick invoices on the go. But if you need automatic invoice numbering, customer history, inventory tracking, and GST return reports, you need a complete solution. Zubizi ERP includes integrated GST billing, inventory management, and detailed reporting in one system.

Get a personalized demo to see how Zubizi can streamline your billing operations. Our team will show you how easy it is to manage GST compliance, track inventory, and grow your business with smart analytics.

Zubizi ERP Dashboard with GST Billing and Inventory Management

Frequently Asked Questions About Free GST Billing Software

Common questions about creating GST invoices, tax calculations, and using this free billing tool.

What is free GST billing software?

Free GST billing software is an online tool that lets you create GST-compliant invoices without any cost. It includes all mandatory fields like GSTIN, HSN codes, tax breakdowns, and invoice numbering required by Indian GST law. No registration or download needed.

How do I create a GST invoice using this tool?

Enter your business details and GSTIN. Add your customer information. List your products or services with rates and GST percentages. The tool calculates taxes automatically. Click generate to download or print your invoice instantly.

Is this GST billing software really free?

Yes, this GST billing software is completely free with no hidden costs. There are no premium tiers, no usage limits, and no signup required. You can create unlimited invoices for personal or business use. We offer this tool to help Indian businesses.

Do I need to sign up or create an account?

No signup or registration is needed. Just visit this page and start creating GST invoices immediately. We do not ask for your email, name, or any personal information. The tool is ready to use the moment you open the page.

Is my business data secure and private?

Your data is completely secure. We use a secure server to generate your invoice PDF, but your data is never saved, stored, or processed for any other purpose. It is used solely to create your file in memory and is immediately discarded.

Does this tool calculate GST automatically?

Yes, our free GST billing software automatically calculates CGST, SGST, and IGST based on your transaction type. Enter the taxable amount and GST rate. The tool computes the tax breakdown and total amount with zero errors.

What GST rates are supported?

This tool supports all GST slabs used in India including 0%, 5%, 12%, 18%, and 28%. You can also add cess if applicable. Select the appropriate rate for each line item and the tool handles the rest.

Can I create invoices for both goods and services?

Yes, you can create invoices for goods using HSN codes and for services using SAC codes. The tool supports mixed invoices with both products and services on the same bill. Perfect for businesses offering both.

What is the difference between CGST, SGST, and IGST?

CGST and SGST apply to transactions within the same state. Each is half of the total GST rate. IGST applies to interstate transactions and equals the full GST rate. Our tool calculates the correct tax based on the supply type.

Can I download the invoice as PDF?

Yes, you can download your GST invoice as a high-quality PDF instantly. The PDF has no watermarks and looks professional. You can share it via WhatsApp, email, or print it directly for your records.

Does this tool work on mobile phones?

Yes, our free GST billing software works on all devices including smartphones and tablets. The responsive design ensures a smooth experience on smaller screens. Create invoices on the go from anywhere.

Can I use this for B2B and B2C invoices?

Yes, this tool supports both B2B and B2C invoicing. For B2B transactions, add the customer GSTIN and place of supply. For B2C, the customer GSTIN field is optional. Both formats meet GST compliance requirements.

Is this invoice format accepted for GST filing?

Yes, invoices created with this tool include all mandatory fields required by GST law. They are accepted for GSTR-1 filing, input tax credit claims, and tax audits. The format meets government compliance standards.

What if I need bulk invoicing or inventory management?

For bulk invoicing, automatic invoice numbering, customer history, and inventory tracking, consider Zubizi ERP. It includes integrated GST billing with full inventory management, sales reports, and GST return preparation.

Do you add watermarks to the invoice?

No, we do not add any watermarks or branding to your generated invoices. They look professional and clean, just like an invoice you would create with paid software. Perfect for sending to clients.