Free GST Billing Software — Create Invoices, Track Payments, Send Reminders
Generate GST-compliant invoices, track outstanding receivables, send WhatsApp payment reminders to clients, and manage dues — completely free for small businesses.
Rated 4.7/5 by 214 businesses · No credit card · Free up to 10,000 records
FastFee Free is a free GST billing software for Indian small businesses. It generates GST-compliant invoices (CGST/SGST/IGST), tracks party-wise outstanding, sends WhatsApp payment reminders to clients, records collections, and provides a defaulter list — free with no download required.
Everything You Need — Free
Built specifically for Freelancers and consultants, Small service businesses, Retailers and traders, Contractors and vendors, Small manufacturers, Education institutes issuing GST receipts
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Frequently Asked Questions
Is there a free GST billing software in India?+
Yes. FastFee Free is a free GST billing software for Indian businesses. It creates GST-compliant invoices, tracks party-wise outstanding, sends WhatsApp reminders, and records collections — all free.
Can I generate GSTIN-compliant invoices for free?+
Yes. Add your GSTIN and your client's GSTIN. FastFee automatically calculates CGST/SGST for intra-state transactions and IGST for inter-state. HSN/SAC codes are supported.
How do I send GST invoices on WhatsApp?+
After creating an invoice, click "Send on WhatsApp". FastFee sends the invoice as a secure PDF link to the client's WhatsApp. No manual download or attachment needed.
What is the best free GST billing software for small business in India?+
FastFee Free is the best free GST billing software for small businesses in India in 2026. It handles invoice creation, outstanding tracking, WhatsApp reminders, and receipt generation — all free.
Can I track which clients haven't paid?+
Yes. The defaulter dashboard shows every client with pending invoices, the amount, and how many days overdue. One click sends a WhatsApp reminder to all overdue clients.
How does FastFee Free compare to Vyapar Free for GST billing?+
Both create GST invoices. FastFee Free is stronger for recovery: automated WhatsApp reminders (Day 3, 7, 15), party-wise outstanding dashboard, defaulter list, and digital receipts on WhatsApp. Vyapar Free is stronger for accounting: inventory tracking, GSTR reports, P&L statements. Many businesses use Vyapar for accounting and FastFee for recovery. See the full comparison at fastfee.in/fastfee-vs-vyapar.
How does FastFee Free compare to MyBillBook for GST invoicing?+
FastFee Free and MyBillBook both create GST invoices. FastFee Free adds automated WhatsApp recovery reminders, UPI AutoPay mandates, and DPD aging — which MyBillBook does not offer. If recovery of outstanding dues is important, FastFee Free is the better choice. See full comparison at fastfee.in/fastfee-vs-mybillbook.
Is FastFee better than Tootlay for free GST billing?+
For billing alone, Tootlay has stronger inventory features. For billing + recovery, FastFee Free wins — automated WhatsApp reminders, outstanding tracking, defaulter list, and digital receipts. Most service businesses and credit-extending traders choose FastFee Free because it reduces dues without manual follow-up. See fastfee.in/fastfee-vs-tootlay for full comparison.
Start Managing GST Billing — Free
No spreadsheets. No monthly fee. No credit card. Free for up to 10,000 records.
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