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Free GST billing · No credit card

Free GST billing softwarefor retail shops

GST invoices, stock, services and a live online store — one workspace any business can pick up. Email an invoice in a click. Publish a catalog or showcase for free.

  • Cost prices never published
  • Place-of-supply GST
  • One-click invoice email
  • Free live store or showcase

Invoice emailed

mira@buyer.test · PDF attached

One solution

Everything a growing business bills, stocks and shows online

Add an item once. It shows up on invoices, in stock and on your live store — automatically.

Invoicing

GST invoices, ready to send

Create a tax invoice in seconds. GST splits itself. Then email the PDF to your customer in one click.

  • CGST + SGST or IGST from place of supply
  • One-click send to the customer's inbox
  • Print, download PDF, or share the link
GST billing software

Inventory

Stock that follows every sale

Products come off the shelf when you bill. Low-stock alerts tell you before you run out.

  • On-hand quantities stay in step with invoices
  • Low-stock alerts on the items that matter
  • Cost stays private — never printed or published
See inventory features

Services

Jobs, hours and procedures

Clinics, workshops and studios bill the way they work — not like a grocery shop.

  • Per hour, per job, per procedure or per visit
  • Parts and labour on the same invoice
  • Your catalog wording matches the business
Service invoicing

Online

A live store or showcase, free

Publish a catalog, menu or service page at your own link. Update an item once — invoices and the website stay together.

  • Store, catalog or service showcase
  • WhatsApp and enquiry buttons on every page
  • Share a link or a QR from the counter
Free online store

One-click send

Email the invoice. Customer opens a PDF. Done.

No WhatsApp photo of a handwritten bill. Send from your business name, with the PDF attached, in one tap from the invoice list or preview.

  • Uses the email already on the customer record
  • Resend or send an updated copy after you edit
  • Print and download sit next to send, on every invoice

To the customer

Invoice TSUNIT-2026-27-0050

From Ananya Boutique · PDF attached

Hi Mira,

Please find invoice TSUNIT-2026-27-0050 for ₹1,307.00 attached.

Pay by UPI or the bank details on the PDF.

Sent in one click
yourshop.finex.site

Menu

Live page

Rooms

Live page

Catalog

Live page

Fleet

Live page

Clinic

Live page

Rental

Live page

Free online presence

A live store, catalog or service showcase — no developer.

Publish a shoppable store, a menu, a clinic’s procedures or a rental fleet. Share the link or a QR from the counter. Update an item once; invoices and the website stay in sync.

  • Store, catalog or showcase at your own web address
  • Enquiries and WhatsApp messages land in your dashboard
  • Titles and product data set up for Google and WhatsApp
  • Cost prices and internal notes never go public

How it works

From sign-up to first invoice in minutes

  1. 01

    Create your free account

    Sign up with your work email and verify it. No card, no trial clock.

  2. 02

    Pick your kind of business

    Shop, clinic, rental, restaurant and more. Finex switches the words, fields and invoices to match.

  3. 03

    Add catalog, stock and customers

    Goods, services or both. Choose how each item is priced and taxed. Import if you already have a list.

  4. 04

    Bill, email and publish

    Send a GST invoice in one click, then turn on your live store or showcase and share the link.

Also from Finex

FinEx Personal — AI expense manager for your pocket

Track day-to-day spending on Android. Separate product from Finex Business — use the Personal switcher in the header anytime.

Two products, one brand

  • Finex Business — free GST billing, inventory, services and a live online store.
  • FinEx Personal — AI-powered personal expense tracking on Android.

Read Business blog guides →

Questions

Frequently asked questions

Is Finex Business free GST billing software?

Yes. Create an account, issue GST invoices, manage inventory and publish an online store or showcase without paying or adding a card.

Can any kind of business use it?

Yes. Retail, e-commerce, transport, vehicle rental, hospitals, clinics, restaurants, hotels, salons, workshops and more. You pick a business type and Finex uses the right words, fields and invoice layout.

Can I email invoices to customers?

Yes. Open an invoice and send it in one click. The customer gets a clean email from your business, with the PDF attached.

Does it include free inventory management?

Yes for product-led profiles. Track stock on hand, get low-stock alerts and keep quantities in step with sales — from the same catalog as your invoices.

Can I create a free online store or business website?

Yes. Publish a free online store, catalog or service showcase from your catalog without hiring a developer. Pages are mobile-friendly and ready for search and WhatsApp sharing.

Does it handle CGST, SGST and IGST?

Yes. Finex chooses CGST + SGST or IGST from your state and your customer's state, supports tax-inclusive prices and numbers invoices by financial year.

Who can see my business data?

Only you and your team. Public pages show just the items and details you choose to publish — never cost prices, internal notes or exact stock.

Free forever to start

Start billing, stocking and selling online — free

One workspace for GST invoices, inventory, services and a live store. No card needed.