Free GST Invoice Generator Online โ No Signup Required
Create professional, GST-compliant tax invoices in under 2 minutes. Auto-calculate CGST, SGST & IGST โ download as PDF, share via WhatsApp. 100% free, forever.
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Instant GST Calculation
Auto-computes CGST+SGST for intra-state and IGST for inter-state transactions. Supports all GST slabs โ 0%, 5%, 12%, 18% & 28% per line item.
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PDF Download in One Click
Generate a print-ready, A4-formatted GST tax invoice PDF directly from your browser. No software installation. Works on Chrome, Firefox, Edge & Safari.
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Share via WhatsApp & Email
Send invoice summary to your client on WhatsApp with one tap. Pre-filled email draft with all invoice details ready to send โ saves time every billing cycle.
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UPI QR Code
Enter your UPI ID and the tool auto-generates a scannable QR code on the invoice. Clients can pay instantly via PhonePe, Google Pay, Paytm โ no copy-paste needed.
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Company Logo & Signature
Upload your company logo and digital signature โ both appear on the invoice preview and PDF. Makes your invoices look professional and brand-consistent.
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Invoice History (Saved Locally)
All invoices are auto-saved in your browser's local storage. Access, edit, and re-download previous invoices anytime โ no account or server needed.
๐ Step by Step
How to Generate GST Invoice Online
Create your first GST invoice in less than 2 minutes โ no registration, no software download.
1
Fill Seller Details
Enter your business name, GSTIN, address, and contact information.
2
Add Buyer Info
Enter client name, GSTIN (if registered), and billing address.
3
Add Items
Add product/service name, HSN/SAC code, quantity, rate, and GST %.
Print as PDF, share on WhatsApp or Email, or save the invoice to history.
๐ GST Types Explained
CGST, SGST vs IGST โ Which to Use?
Choosing the wrong GST type is the most common invoicing mistake. Here's a quick reference.
CGST + SGST
Intra-State Supply
When buyer and seller are in the same state. Tax is split equally between Central Govt and State Govt.
Example: Seller in UP โ Buyer in UP
18% GST = 9% CGST + 9% SGST
IGST
Inter-State Supply
When buyer and seller are in different states. Full GST goes to Central Govt, then redistributed.
Example: Seller in UP โ Buyer in Delhi
18% GST = 18% IGST
NIL / Exempt
Exempt or NIL Rated
Goods/services that are exempt from GST or carry a 0% rate. No tax charged, but invoice still required.
Example: Fresh vegetables, educational services 0% GST โ Bill of Supply issued
๐ Learn
What is a GST Invoice? Everything You Need to Know
A complete guide for businesses, freelancers & consultants on GST invoicing in India.
What is a GST Tax Invoice?
A GST tax invoice is a document issued by a registered supplier of goods or services to a buyer. It is the primary document required to claim Input Tax Credit (ITC) under the GST system in India.
Under GST law, every registered business must issue a tax invoice for each supply of goods or services. The invoice must contain specific mandatory fields as prescribed by the CGST Act, 2017.
Who Should Issue a GST Invoice?
GST-registered businesses with turnover above โน20 lakhs (โน10 lakhs in special states)
E-commerce sellers and marketplace vendors
Freelancers and consultants providing B2B services
Manufacturers and traders supplying goods inter-state
Import/export businesses
Any person voluntarily registered under GST
Mandatory Fields in a GST Invoice
Invoice number (unique, sequential)
Invoice date
Seller's name, address & GSTIN
Buyer's name, address & GSTIN (for B2B)
Place of supply (state code)
HSN code (goods) or SAC code (services)
Description, quantity & unit of items
Taxable value per item
Applicable GST rate (CGST/SGST or IGST)
Total invoice value (in figures & words)
Whether GST is payable on reverse charge
Signature of authorized signatory
Time Limit to Issue GST Invoice
For goods: Invoice must be issued before or at the time of delivery. For services: Invoice must be issued within 30 days from date of supply (45 days for banks and NBFCs).
๐ฐ GST Rates
GST Rate Slabs โ Quick Reference
India has five primary GST rate slabs. Select the correct rate in our online GST invoice generator to ensure accurate tax calculation.
Frequently Asked Questions about GST Invoice Generator
Everything you need to know about generating GST invoices online.
Is this online GST invoice generator completely free?
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Yes, our GST invoice generator online is 100% free โ no hidden fees, no subscription, no signup required. You can create unlimited GST invoices, download them as PDFs, and share via WhatsApp or Email, all at zero cost. It runs entirely in your browser, so your data stays on your device.
What is the difference between CGST, SGST and IGST in a GST invoice?
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CGST (Central GST) and SGST (State GST) apply to intra-state transactions โ when both buyer and seller are in the same state. The tax is split equally: on an 18% item, you charge 9% CGST + 9% SGST. IGST (Integrated GST) applies to inter-state transactions โ when buyer and seller are in different states โ and the full GST rate is charged as IGST. Our free GST invoice generator handles all three automatically.
Can I add my company logo and signature to the GST invoice?
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Yes! Our online GST invoice generator allows you to upload your company logo and digital signature. Both are embedded directly into the invoice preview and appear on the downloaded PDF. This makes your invoices look professional and brand-consistent. We recommend PNG format with transparent background for signatures.
How do I generate a GST invoice with UPI QR code?
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Simply enter your UPI ID (e.g., yourname@paytm or yourname@upi) in the Bank & UPI Payment section. Our GST invoice generator will automatically create a scannable UPI QR code on the invoice. Clients can scan it using PhonePe, Google Pay, Paytm, or any UPI app to pay the exact invoice amount instantly.
How to save and access previous GST invoices?
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Our free GST invoice generator automatically saves invoices to your browser's local storage when you click the Save button. You can access all previous invoices via the History button. Saved invoices can be loaded, edited, and re-downloaded anytime โ without any login or cloud storage. Note: clearing browser data will delete saved invoices.
What is HSN code and is it mandatory in GST invoice?
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HSN (Harmonized System of Nomenclature) is a 6-digit code to classify goods. SAC (Services Accounting Code) is the equivalent for services. HSN/SAC codes are mandatory in GST invoices for businesses with annual turnover above โน5 crore (4-digit HSN for โน1.5โ5 crore turnover; 6-digit for above โน5 crore). Our GST invoice generator has a dedicated HSN/SAC field for each line item.
Can I create a Proforma Invoice or Bill of Supply using this tool?
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Yes! Our online GST invoice generator supports multiple invoice types: Tax Invoice, Proforma Invoice, Bill of Supply, Credit Note, and Debit Note. Select the appropriate type from the Invoice Type dropdown. A Bill of Supply is issued for exempt goods or by composition scheme dealers where GST cannot be charged.
Is the GST invoice generated legally valid?
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The invoice format generated by our free GST invoice generator complies with all mandatory fields prescribed under Rule 46 of CGST Rules, 2017. However, the legal validity also depends on accurate data entered by you โ especially GSTIN, HSN codes, and tax rates. We recommend verifying all details before sharing with clients or filing GST returns.
Generate Your GST Invoice in Under 2 Minutes
Free, fast, and professional โ no account needed. Trusted by businesses, freelancers, and consultants across India.