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FlatInvoice ‑ PDF Invoice
- by Stelar Digital LLC
- Free plan available. Free trial available.
- by Stelar Digital LLC
- Free plan available. Free trial available.
Automated PDF invoices, packing slips, and credit notes that email themselves instantly with every order. Tax-ready with sequential numbering.
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About the FlatInvoice ‑ PDF Invoice
FlatInvoice automatically sends PDF invoices the moment an order is placed—every order, every document. No configuration needed. The guided setup adds a download-invoice button directly into Shopify's order emails with simple copy and paste. Generate unlimited invoices, packing slips, receipts, and credit notes, all featuring your logo and brand color selected in one click. Tax-ready with VAT/GST tax ID line and automatic sequential invoice numbers. Each invoice displays exactly what the customer paid at the time of order.
Launched: July 6, 2026
Key features
- Invoices email themselves the moment an order is placed
- Invoices, packing slips, receipts and credit notes
- Pick your brand color from your logo in one click
- Tax-ready: VAT/GST tax ID line and automatic sequential invoice numbers
- Every invoice shows exactly what the customer paid at the time of the order
Integrations with:
- Shopify Admin
Category:
Pricing of FlatInvoice ‑ PDF Invoice
Starter
Free
- 25 invoices a month, every feature
Flat Plan
$5 / month
