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About GST Invoice Generator

Streamline your billing process and ensure 100% tax compliance with the GST Invoice Generator, a professional, browser-based invoicing tool meticulously designed for Indian businesses, freelancers, and MSMEs. Say goodbye to messy spreadsheets, manual calculation errors, and expensive accounting software subscriptions. This intuitive tool empowers you to create clean, legally compliant, and beautifully formatted GST invoices in a matter of seconds. Unlike generic invoice makers, this generator features smart, India-specific automation. As you type an item description, the tool auto-detects and suggests the correct HSN/SAC code from a built-in database of common goods and services. Furthermore, it intelligently calculates your tax liability: simply select the states for the seller and buyer, and the tool will automatically apply CGST + SGST for intra-state transactions or IGST for inter-state supplies, complete with accurate percentage splits. The interface provides a real-time, pixel-perfect A4 preview of your invoice. It automatically calculates line-item totals, aggregates the taxable value, applies a standard round-off, and even converts the final grand total into words using the standard Indian numbering system (Lakhs and Crores). When your invoice is ready, you can instantly print it or download a high-quality, print-ready PDF. Best of all, the entire process is 100% private and secure. All data processing, calculations, and PDF generation happen locally within your browser. Your sensitive client and financial data never touches an external server, making this the safest, fastest, and most reliable way to generate professional GST invoices on the web.

How to use GST Invoice Generator

  1. Fill in the "Seller (Your Business)" details, including your Business Name, GSTIN, Address, Phone, and State.
  2. Enter the "Buyer (Bill To)" details. Crucial: Ensure you select the correct State for the buyer, as this determines the tax type.
  3. Input the Invoice Number and select the Date.
  4. Under "Line Items", click "+ Add Item".
  5. Type the item description (e.g., "LED bulb" or "Web design service"). Watch the HSN code auto-fill based on the keywords!
  6. Enter the Quantity, Rate (₹), and select the applicable GST percentage (0%, 5%, 12%, 18%, or 28%).
  7. Observe the Live A4 Preview on the right, which updates instantly with accurate tax splits, subtotals, round-off, and the total amount in words.
  8. Add any custom payment terms or notes in the "Notes / Terms" text area.
  9. Click "🖨️ Print / Save as PDF" to use your browser’s native print dialog, or click "⬇️ Download PDF" to instantly generate and save a high-quality PDF file to your device.

Frequently asked questions

Is this invoice generator free and private?

Yes, it is 100% free. All data entry and PDF generation happen locally in your browser. Your business and client data are never uploaded or stored on any external server.

How does the HSN auto-detection work?

The tool contains a built-in dictionary of common Indian products and services. When you type a description (like "laptop" or "consulting"), it automatically matches the keyword and fills in the standard 4-digit HSN/SAC code. You can always manually edit this field if needed.

How does the tool know whether to apply CGST/SGST or IGST?

It compares the "State" dropdown selected for the Seller and the Buyer. If the states match, it automatically splits the tax into CGST and SGST (Intra-state). If they differ, it applies a single IGST (Inter-state).

Is the generated invoice legally compliant with Indian GST laws?

Yes, the template includes all mandatory fields required by the GST Council: Seller/Buyer GSTINs, HSN codes, place of supply, taxable value, clear tax breakdown (CGST/SGST/IGST), and an authorized signatory section.

Can I change the currency or language?

The tool is specifically optimized for Indian business compliance, using the Rupee symbol (₹) and the Indian numbering system (Lakhs, Crores) for the "Amount in Words" section.

Can I add my company logo to the invoice?

The current version focuses on a clean, fast, and universally compatible text-based layout. For logo integration, you can easily add your logo to the downloaded PDF using a free PDF editor, or print the invoice on pre-letterheaded paper.

Does it work on mobile phones and tablets?

Yes, the input form is fully responsive and works on mobile devices. However, for the best experience when previewing and downloading the A4-sized PDF, a desktop or tablet is recommended.

What happens if I need to add a custom GST rate not listed?

The tool covers the standard statutory slabs (0%, 5%, 12%, 18%, 28%), which apply to 99% of taxable goods and services in India. If you have a highly specialized rate, you can temporarily use the closest slab and adjust the final total manually before printing, though standard slabs are strongly recommended for compliance.

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