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Preview & PDF

Invoice Preview​

From the invoice list, open a preview by clicking the eye icon (👁) or KSeF number. The preview shows:

  • KSeF number (split into readable segments)
  • Seller and buyer data
  • Invoice lines
  • Amount summary
  • Annotations and labels

PDF Generation​

Click Download PDF to generate and download the invoice as PDF.

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The PDF is generated locally in the browser from XML data. It is not stored on the server.

XML Preview​

In the summary step, you can view the generated XML compliant with KSeF FA(2) schema.

REST API​

PDF generation is available via the REST API service (port 3083):

GET /invoices/{environment}/{ksefNumber}?docType=pdf

The server generates a full PDF using ksef-pdf-generator (FA1/FA2/FA3/FA_RR) with QR code. The response includes base64-encoded PDF content.