InvoiceHop creates a branded PDF invoice for every Shopify order, online or in POS, with gap-free numbering. Refunds, edits and cancellations create linked credit notes on their own. You also get packing slips, gift receipts, labels and quotes from draft orders, 18 templates and documents in 24 languages. Customers download invoices from their account or get them by email. Paid plans add your own email service, cloud backups, e-invoicing (Factur-X, XRechnung, Peppol) and payment reminders.