FlatInvoice ‑ Auto Invoices

Install FlatInvoice and invoices start emailing your customers automatically — nothing to configure.Want more? A guided 2-minute setup adds a Download-invoice button right inside Shopify's own order confirmation emails. No code, no theme edits.Packing slips, receipts, and credit notes included.Your logo and colors on every document.Tax-ready with VAT/tax ID and automatic sequential numbering.Every invoice shows exactly what the customer paid at the time of the order.