Attach files to a PDF

Add sources or annexes directly inside the PDF container — required for some e-invoices (Factur-X).

FAQ

Are my files uploaded to a server?

No. Processing runs locally in your browser; nothing is transmitted.

Which file types?

Any file: XML, CSV, spreadsheet, image — the PDF acts as an envelope.

  1. Drop your PDF and the files to attach
  2. Run the attach step
  3. Download the enriched PDF