Free GST Invoice Generator — Create Invoice Online
Create GST-compliant invoices in seconds. Auto CGST/SGST/IGST, HSN/SAC support and instant PDF download. Sign in with Google to download — free.
10 free invoices · No credit card required
Your Business (Seller)
Customer (Buyer)
Line Items
Sign in with Google to download · Kampony watermark on free PDFs
Everything you need — all in one platform
From invoicing to inventory and reports — Kampony handles it end to end.
GST-Compliant Invoices
Tax invoices, bill of supply, proforma and delivery challans with auto CGST/SGST/IGST.
HSN/SAC Code Support
Search and apply correct HSN/SAC codes with auto GST rate lookup.
E-Way Bill & IRN
Generate e-way bills and IRN with QR codes directly from your invoice.
Inventory Management
Track stock levels, get low-stock alerts and manage purchases.
Reports & Ledgers
Sales, purchase, profit, GST and customer ledgers — exportable to Excel.
Telegram Bot
Create invoices and check payments right from Telegram.
How it works
Add your business
Enter your business name, GSTIN and address — used as the seller on the invoice.
Add line items
Add products or services with HSN codes, quantity, price and GST rate.
Auto GST calculation
CGST, SGST or IGST is calculated automatically based on transaction type.
Download & share
Sign in with Google to download as PDF. Free, with Kampony watermark.
What is a GST invoice?
A GST invoice is a legal document issued by a registered seller to the buyer, showing the goods or services supplied along with the GST charged. It is required under Indian GST law for B2B and many B2C transactions.
Mandatory fields in a GST invoice
- Seller name, address and GSTIN
- Buyer name, address and GSTIN (if registered)
- Invoice number and date
- HSN or SAC code for each item
- CGST and SGST (intra-state) or IGST (inter-state)
- Total invoice value in figures and words
Frequently Asked Questions
Is the GST invoice generator really free?+
Yes. Build invoices without signing up. Sign in with Google to download the PDF — free, with a Kampony watermark. Upgrade for watermark-free PDFs.
Are these invoices GST-compliant in India?+
Yes. Invoices include seller and buyer details, GSTIN, HSN/SAC codes, taxable value and CGST/SGST or IGST as required by Indian GST law.
Why do I need to sign in to download?+
We use Google sign-in to create your free Kampony account so you can access your invoices later. No password needed — one click with Google.
Can I generate e-way bills and IRN?+
Yes — Premium users can generate e-way bills, IRN and QR codes directly from invoices in one click.
Do I need to install anything?+
No. Kampony is 100% cloud-based and works in any browser. There's also a Telegram bot for billing on the go.
Is my data secure?+
All data is encrypted in transit (HTTPS) and stored on secure cloud servers. We never share your data with third parties.
Bill smarter with Kampony
Join thousands of Indian businesses creating GST invoices with Kampony.
No credit card required · 10 free invoices