GST Invoice Software

GST Invoicing That Actually Works for Indian Businesses

Auto-calculate CGST, SGST, and IGST. Validate GSTINs in real time. Generate GST-ready invoices in seconds fully compliant, no accountant needed.

Used by freelancers, traders, manufacturers, and service providers across India. All GST features included at one flat price no extra charges.

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GST invoice generated in One Stop Invoice: HSN line items, tax columns, bank details, and amount in words — Real output from the invoice generator (layout varies by template).

GST Features

Everything You Need for GST Compliance

Built specifically for Indian tax rules. Not an afterthought GST is at the core.

Auto CGST / SGST / IGST

Select intra-state or inter-state CGST + SGST or IGST is calculated automatically. No manual tax entry. No calculation errors.

Real-Time GSTIN Validation

Enter a GSTIN and we validate its format instantly. Catch errors before your invoice reaches your client or the GST portal.

GST-Compliant Invoice Format

Every invoice includes all mandatory GST fields supplier GSTIN, HSN/SAC codes, place of supply, tax breakdown, and invoice number series.

Indian Financial Year Filters

Reports and dashboards follow the Indian FY (April–March). Filter invoices by FY at one click exactly how your CA needs it.

INR in Words (Lakh / Crore)

Invoice totals are automatically written in Indian number words Rupees Five Lakh Twenty Thousand Only. Required for many B2B invoices.

Debit Notes & Credit Notes

Issue GST-compliant debit notes for amendments and adjustments. All linked back to original invoice numbers for a clean audit trail.

Who It's For

Built for Every GST-Registered Business in India

Whether you're a freelancer billing ₹20,000 or a trader moving crores One Stop Invoice handles it all.

Freelancers & Consultants

Bill clients professionally. Track payments. Stay GST-compliant without hiring an accountant.

Traders & Retailers

Handle high invoice volumes. IGST for inter-state sales handled automatically.

Manufacturers

Manage inventory, issue debit notes, track expenses all in one place.

Service Businesses

SAC codes, GST on services, client management designed for how service businesses work.

Small & Medium Enterprises

Multiple clients, unlimited invoices, team-ready cloud access. Scale without changing software.

Developers & Agencies

Use our REST API to integrate invoicing into your own workflows and products.

FAQ

Common GST Invoicing Questions

Yes. Every invoice generated includes all GST-mandated fields: supplier and buyer GSTIN, HSN/SAC codes, place of supply, CGST/SGST/IGST breakdown, and a sequential invoice number series. Invoices are ready for B2B and B2C filing.

When you create an invoice, you specify whether the sale is intra-state or inter-state. One Stop Invoice automatically applies CGST + SGST for intra-state transactions and IGST for inter-state transactions. No manual selection of tax type needed.

Yes. The platform validates GSTIN format in real time as you type. This catches formatting errors before the invoice is created, reducing the chances of rejected filings.

Absolutely. You can create professional invoices without GST fields if you're under the registration threshold. When you do register, GST fields are simply enabled no migration or changes needed.

Yes. The dashboard and all reports follow the Indian FY (April–March). You can filter by any FY and export data in the format your CA or accountant needs.

Everything unlimited invoices, unlimited clients, all GST features, debit notes, quotations, expenses, inventory, analytics, cloud storage, multiple templates, and API access. One flat price, no hidden fees, no per-user charges.

Start Generating GST Invoices Today

No setup fees. No credit card. No per-user charges. Just GST-compliant invoicing at ₹1,999/month all features, all unlimited.

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No credit card required. 30-day free trial included.