ZayroInvoice
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Billing that worksas hard as you do.

Professional GST invoicing, payment tracking and business management, built for Indian businesses.

Try free invoice See how it works
  • 5 free invoices a day
  • No card to sign up
  • CGST, SGST & IGST built in

From blank page to paid in four moves.

Watch one invoice go from a customer name to money received.

Create. Send. Track. Repeat.

The whole billing loop, in one place. Set it up once and every invoice after that gets quicker.

  1. Add your customers

    Store customer details, GSTIN and billing information once. They're filled in for you every time you create an invoice.

  2. Create an invoice

    Add products or services and Zayro handles the GST. CGST, SGST, IGST and subtotals are worked out as you type.

  3. Send the PDF

    Generate a professional GST invoice PDF and email it to your customer with an approval link. One click from the app.

  4. Record payment

    Track paid, pending and overdue invoices. Log partial payments and watch outstanding balances update as they come in.

Invoice templates that
​speak your brand.

Create free invoices
Zayron Infotech
Chennai, Tamil Nadu
INVOICE
Invoice#INV-0149
Date11 Mar 2026
1  Web hosting3,000
2  Domain renewal1,200
3  SSL certificate800
TOTAL5,000
Thanks for your business.
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Every invoice, on brand.

Pick an accent colour and Zayro applies it across the logo mark, section bar and total, on screen and in the downloaded PDF. No design work, no re-uploading anything.

  • One clickRecolour any invoice without uploading it again.
  • Every invoiceThe same branding on everything you send.
  • Screen, PDF, printThe colour comes out the same everywhere.
#C1121F

Professional invoices in seconds.

GST-ready invoices with the calculations, HSN/SAC codes, discounts and PDF all handled. Everything your client and CA need, on a single page.

  • Auto-numberedNever track INV numbers by hand again.
  • HSN/SAC on every linePulled from your product catalogue.
  • Mixed tax rates5%, 12%, 18% and 28% GST in one invoice.
  • CGST & SGST splitShown clearly on every PDF.
  • Email from the appSend the PDF straight to your client.

Know exactly what you're owed.

Track paid, pending and overdue invoices without spreadsheets. Record full and partial payments against any invoice and watch the balance come down.

  1. Invoice sent12 Jul · ₹68,200
  2. Part paymentUPI · 14 Jul · +₹40,000
  3. Balance receivedNEFT · 18 Jul · +₹28,200
  • Partial paymentsLog instalments as they arrive.
  • Smart defaultsThe outstanding balance pre-fills the next payment.
  • Live dashboardRevenue, collected and overdue at a glance.
  • Full ledgerEvery payment on the invoice's own page.
0core modules working together
0%GST worked out on every line item
0 clickfrom invoice to PDF download

Your business, in numbers.

Monthly revenue charts, sales summaries and CSV exports. What your CA needs, and what you need to decide faster.

Revenue, 2026₹4.8L
Invoices paid47
GST collected₹72K
Export CSV
  • Compare months at a glance
  • Full invoice report with breakdowns
  • Filter by date, status or customer
  • Paid, outstanding and overdue totals

Everything stays organized.

Your customer database and product catalogue work together. GSTINs, addresses and billing history for customers; HSN codes, tax rates and prices for products, reused on every invoice.

  • Customers with GSTIN, address and invoice history
  • Products with HSN/SAC codes and tax rates
  • Prices and rates fill in on new invoices

GST, worked out before you ask.

Selling within your state? Zayro splits the tax into CGST and SGST. Billing another state? It switches to IGST. HSN/SAC codes come along from your product catalogue, so every line is ready for your CA.

Intra-state
CGST + SGST, half each
Inter-state
IGST at the full rate
Slabs
0%, 5%, 12%, 18%, 28%
Try it
CGST 9%₹2,250.00
SGST 9%₹2,250.00
Invoice total₹29,500.00

Still billing from a spreadsheet?

Spreadsheets and Word templates work until you need the tax split right, the numbering in order, and a record of who has paid.

CapabilityZayro InvoiceSpreadsheetWord template
CGST / SGST / IGST splitAutomaticYour formulasManual
Sequential invoice numbersAutomaticManualManual
Saved customers & GSTINsReusedCopy & pasteCopy & paste
Professional PDFOne clickExport & fix layoutSave as PDF
Customer approval linkIncludedNoneNone
Paid / partial / overdue trackingLiveSeparate sheetNone

Built for how you bill.

Invoice template for this business type
Create your first invoice

Questions, answered.

Can't find what you need? We reply to every message.

Contact support
Is Zayro Invoice really free to start?

Yes. The Free plan lets you create 5 invoices per day at no cost, forever. No credit card required to sign up. Upgrade only when you need more volume or email sending.

Are the invoices actually GST-compliant?

Yes. Every invoice includes your GSTIN, HSN/SAC codes per line item, and a proper CGST/SGST/IGST breakdown, all required under Indian GST law. Download as PDF ready to share with your clients and CA.

Can I generate CGST, SGST and IGST invoices?

Yes. Zayro supports CGST & SGST (intra-state) and IGST (inter-state) on your invoices. The correct split is calculated and displayed automatically based on the tax rate applied to each line item.

Can I download invoices as PDF?

Yes. Every invoice can be downloaded as a professional PDF. On Plus plans and above, you can also email the PDF directly to your client from within the app.

Can I manage multiple customers and products?

Yes. Build a full customer database with GST numbers, billing addresses and invoice history. Your product catalogue stores HSN codes, tax rates and standard prices, reused automatically when creating new invoices.

How do I track which invoices are paid?

Every invoice has a status: Draft, Sent, Paid, Partial, Overdue or Cancelled. Record payments (full or partial) and the dashboard shows total revenue, pending and overdue amounts in real time. Each invoice has a full payment ledger.

Can I customise my invoices?

Yes. You can add your company logo, business name, GSTIN, bank details and signature to every invoice. Your business profile is set once and applied automatically to every invoice you create.

Can I upgrade or change my plan later?

Yes. Upgrade, downgrade or cancel from your account settings at any time. You are never locked into a contract, and cancelling costs nothing. Your data stays available regardless.

Is my business data secure?

Your data is stored securely. All communication between your browser and the server uses HTTPS. Passwords are never stored in plain text. You can delete your account and data at any time from your profile settings.

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