Free Invoicing Software
for Businesses

Create and send professional GST invoices in 10 seconds with Einetic Invoice. Share branded bills on WhatsApp, collect instant payments via dynamic UPI QR codes, track real-time sales reports, and print thermal receipts. Connects directly with Einetic Outlet POS and Fieldflow.

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Why Choose Einetic Invoice?

Smart, GST-Compliant Billing for Modern Indian Businesses

10-Second GST Invoicing

Rapid billing with automatic GSTIN customer lookup, instant Place of Supply recognition, and automatic CGST+SGST vs IGST calculations.

Professional GST Billing

Generate itemized, branded GST invoices with automatic tax splits (CGST, SGST, IGST), customizable templates, discounts, and terms.

1-Click WhatsApp Delivery

Send branded PDF invoices directly to your clients on WhatsApp with interactive payment links, dynamic UPI QR, and instant receipts.

Dynamic UPI QR Payments

Print dynamic UPI QR codes on invoices and POS receipts. Customers scan using PhonePe, GPay, Paytm, or BHIM for zero-fee instant settlements.

Thermal POS & A4 Printing

Toggle instantly between full-page GST Tax Invoices (A4/A5 PDF) and compact 2-inch (58mm) or 3-inch (80mm) Bluetooth thermal receipts.

Real-Time Sales Reports

Live revenue analytics, product-wise profitability insights, tax summaries, and 1-click Excel/PDF data exports.

Einetic Outlet POS Sync

Connect retail store counters and wholesale desks running Einetic Outlet POS directly to your central invoice register and inventory.

Fieldflow Mobility Sync

Field sales orders and van delivery receipts from Fieldflow automatically create official GST invoices and update customer balances live.

Fast & Professional Invoicing

Create, customize, and issue professional GST invoices in seconds. Speed up your billing workflow with automatic tax calculations, customer address auto-fill, and branded invoice templates.

10-Second Invoice Creation:
Quickly add saved products or custom line items, select your customer, and generate an itemized invoice in seconds.
Automated GST Calculations:
Automatic Place of Supply detection accurately maps CGST+SGST for local sales and IGST for inter-state transactions with zero tax errors.
Quotes to Invoice in 1 Click:
Send polished quotations and proforma estimates to clients, then convert approved quotes into official Tax Invoices with a single click.
Custom Business Branding:
Showcase your brand identity with custom logos, signature stamps, bank payment details, and personalized payment terms.

Dynamic UPI QR & WhatsApp

Accelerate your cash flow and get paid up to 3x faster. Deliver professional invoices straight to your customers' WhatsApp with dynamic scan-and-pay UPI QR codes.

Pre-Filled Dynamic UPI QR:
Embed dynamic UPI QR codes on both printed A4 invoices and 58mm/80mm thermal receipts. Customers scan via PhonePe, GPay, Paytm, or BHIM to pay the exact invoice amount with zero gateway fees.
1-Click WhatsApp PDF Sharing:
Share branded invoice PDFs directly to customer WhatsApp chats with a single click, complete with payment links and download options.
Payment Status Lifecycle:
Track invoices in real time: Draft → Sent → Viewed → Partially Paid → Paid. Send automated polite payment reminders before due dates.
Customer Self-Service Portal:
Clients can view their historical invoices, download account statements, and rate your billing service online 24/7.

Direct Real-Time Sync With Counter & FieldFlow

Don't run your sales channels in silos. Einetic Invoice serves as the central financial core connecting your retail storefronts and field sales teams under one proprietary architecture.

Einetic Outlet POS Integration:
Physical retail store counters running Einetic Outlet POS automatically push barcode sales, day-end registers, and stock reductions into Einetic Invoice in real time.
Fieldflow Sales & Van Mobility:
On-field sales reps and route delivery agents using Fieldflow book secondary orders and collect payments on the go; invoices and customer credit ledgers update instantly.
Omnichannel Inventory & Ledgers:
Centralized inventory prevents overselling between retail counters and wholesale orders while customer balances reconcile across all channels.
B2B E-Commerce Connected:
Syncs directly with Einetic E-Commerce for 24/7 self-service online customer ordering and automatic invoice generation.

Detailed Reports & Business Control

Gain complete 360-degree visibility over your business finances, trade operations, and branch performance. From real-time revenue analytics to customer ledgers and multi-company operations, manage everything from one unified dashboard.

Real-Time Reports & Financial Analytics:
Monitor daily sales turnover, track payment collections, generate tax summary reports, and export sales registers to Excel or PDF with 1 click.
Customer Ledgers & Payment Tracking:
Keep accurate customer transaction histories, set credit limits, track unpaid dues with aging alerts, and share automated payment reminder links.
Multi-Company & Branch Management:
Manage multiple business entities, state GST registrations, and branch counters with custom invoice prefixes and role-based staff permissions.
Quotations, Purchase Orders & Procurement:
Create professional estimates, track vendor purchase orders, issue delivery challans, and convert approved quotes into official tax invoices in seconds.

SpecificationsAll plans also include:

Multi-Company & Multi-GSTIN

Issue invoices from multiple legal business entities, branches, and state GST registrations under one centralized administrator account.

Quotes to Invoice in 1 Click

Create professional estimates and quotations. Once accepted by your buyer, convert them into final GST Tax Invoices in a single click.

Thermal POS & A4 Formats

Print full-page A4/A5 GST invoices or compact 2-inch (58mm) and 3-inch (80mm) receipts on Bluetooth or USB thermal printers.

Delivery Challans & Dispatch Notes

Generate professional delivery challans with vehicle tracking notes and dispatch details alongside itemized packing slips.

Purchase Orders & Vendors

Track inward vendor procurement, supplier purchase orders, and item costs to maintain accurate gross profit margins across products.

Live Financial Insights

Monitor daily sales, tax liabilities, customer aging balances, and collection metrics on dynamic visual analytics dashboards.

Role-Based Access Control

Assign granular permissions for billing operators, accountants, branch managers, and sales reps with complete audit trails.

Fast, Accurate & 100% GST-Compliant.

Join 25,000+ Growing Indian Businesses with Einetic Invoice

Start Invoicing Free

Frequently Asked Questions

How fast can I create a GST invoice in Einetic Invoice?

With Einetic Invoice, you can generate an itemized, fully compliant GST invoice in less than 10 seconds. Simply select your pre-saved customer or type their GSTIN for auto-fill, choose your items, and the system automatically calculates intra-state (CGST+SGST) or inter-state (IGST) taxes based on the Place of Supply.

Can I create GST-compliant invoices and quotations in 1 click?

Yes. Einetic Invoice allows you to create fully compliant GST invoices, proforma bills, and estimates with automatic intra-state (CGST+SGST) and inter-state (IGST) tax calculations, HSN/SAC lookups, and customer GSTIN auto-fill. You can also convert approved quotations into final tax invoices with a single click.

Can I share invoices directly on WhatsApp?

Yes. Einetic Invoice includes native one-click WhatsApp sharing. Your clients receive a branded message containing invoice summaries, an instant download link for the PDF, and a dynamic UPI QR code for immediate payment settlement.

Does Einetic Invoice print dynamic UPI QR codes?

Yes. Einetic Invoice embeds dynamic UPI QR codes on all generated A4 invoices and 58mm/80mm thermal POS receipts. When customers scan the QR with PhonePe, Google Pay, Paytm, or BHIM, the exact invoice amount and virtual payment address are pre-filled for immediate payment with zero gateway fees.

How does Einetic Invoice integrate with Einetic Outlet POS and Fieldflow?

Einetic Invoice acts as the central financial and statutory core of Einetic's unified commerce platform. Retail counter sales recorded on Einetic Outlet POS automatically synchronize their billing and stock reductions into Einetic Invoice in real time. Similarly, on-field sales orders booked and delivery receipts generated on Fieldflow instantly create official tax invoices and reconcile customer credit ledgers in Einetic Invoice.

Can I generate sales reports and customer ledger statements?

Yes. Einetic Invoice provides real-time sales dashboards, tax summaries, itemized transaction registers, and customer ledger tracking. You can monitor payments, set credit limits, and export all financial reports to Excel or PDF in a single click.

Can I manage multiple businesses and branches with different GSTINs?

Yes. Einetic Invoice provides enterprise-level multi-company and multi-branch management. You can configure multiple legal entities with independent GSTINs, state jurisdictions, bank accounts, and invoice prefix series under a single unified dashboard.

Can I print thermal POS receipts?

Yes. Einetic Invoice natively supports standard 2-inch (58mm) and 3-inch (80mm) Bluetooth and USB thermal receipt printers, making it ideal for retail counters, wholesale trading desks, and warehouse dispatch counters.

30 day money-back guarantee

If you're not 100% satisfied with Einetic's Products & Services, we'll refund your payment. No hassle, no risk.

Refund Policy

Free Invoicing Software for Businesses