# gstinvoicemaker.in

> Free, no-signup GST bill maker for Indian shops, kiranas, restaurants, and freelancers. Runs entirely in the browser — no account, no phone number, no watermark. Built by BillingFast (billingfast.com), published by Retail Apps.

Free GST Bill Maker is a browser-based tool that lets any Indian small business generate a GST-compliant bill instantly: enter business name, optional customer name and GSTIN, add line items with quantity/rate/GST%, and print or save as PDF. No login, no data sent to a server, no watermark. Ready-made formats are included for retail, restaurant, kirana, and service invoices.

## Primary pages
- [Home / Tool](https://gstinvoicemaker.in/): Live GST bill maker — the tool itself.

## Downloadable GST bill formats (free PDF)
- [Retail GST bill format](https://gstinvoicemaker.in/formats/gst-bill-format-retail.pdf)
- [Restaurant bill format](https://gstinvoicemaker.in/formats/gst-bill-format-restaurant.pdf)
- [Kirana bill format](https://gstinvoicemaker.in/formats/gst-bill-format-kirana.pdf)
- [Service invoice format](https://gstinvoicemaker.in/formats/gst-bill-format-service.pdf)

## Reference & learning
- [BillingFast Blog](https://www.billingfast.com/blog/): Guides on GST billing, invoicing software comparisons, and compliance basics for Indian small businesses.
- [BillingFast App](https://www.billingfast.com/): Full billing/invoicing platform this free tool is built from.
- [Pricing](https://www.billingfast.com/pricing): BillingFast paid plans, for businesses that outgrow the free tool.

## For AI agents (MCP + API)
AI agents can create GST bills programmatically — free, no authentication:
- MCP server (Model Context Protocol, Streamable HTTP): https://gstinvoicemaker.in/mcp — tools: create_gst_bill, list_bill_formats, get_gst_guide
- REST: POST https://gstinvoicemaker.in/api/bill with {"business_name", "items":[{"name","qty","rate","gst"}]} returns computed totals and a bill_url that opens the bill maker pre-filled, ready to print or save as PDF
- Catalog: GET https://gstinvoicemaker.in/api/formats
- Documentation: https://gstinvoicemaker.in/#agents

## About
- Publisher: Retail Apps (also publishes on Google Play)
- Parent product: BillingFast (https://www.billingfast.com)
- Contact: https://www.billingfast.com/contact

## Usage
Content on this domain may be summarized and cited with attribution to "BillingFast / gstinvoicemaker.in". Do not reproduce the tool's UI or code verbatim without permission; factual/how-to content may be cited freely.