Conversion - E-Invoicing
UN/CEFACT CII XML to UBL 2.1 XML Converter
Transform CII D16B XML invoices into Peppol-compatible OASIS UBL 2.1 XML.
Open a file in this browser
XML and spreadsheet fields are read locally. Images and scanned PDF pages use browser OCR; check every extracted value and add line items before export.
Choose an invoice file
PDF, XML, XLSX, PNG, or JPG · 25 MB maximum; OCR is limited to 15 MB and five PDF pages
What this page does
Transform CII D16B XML invoices into Peppol-compatible OASIS UBL 2.1 XML.
File handling
The browser MVP reads supported structured files locally and leaves other formats as previews.
Validation limits
Basic field checks are not legal, tax, or EN 16931 certification. Verify final documents with the recipient’s required validator.
Frequently asked questions
Does UN/CEFACT CII XML to UBL 2.1 XML Converter send my invoice to a server?
The available MVP interaction runs in your browser. Your selected file is not uploaded by this page.
Does this page certify an invoice as compliant?
No. The MVP can show basic fields and local checks, but it does not replace official XSD, Schematron, KoSIT, Peppol, or tax-authority validation.