Upload UBL XML, CII XML, canonical JSON, or a PDF. PDF text is extracted locally and shown as an editable draft before the recommended validation step.
PDF extraction produces a canonical readiness draft and does not apply official EN 16931 syntax validation to the PDF itself.
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PDF and OCR extraction is best-effort. Always compare the editable draft with the original PDF; structured XML or JSON remains the more reliable input. Invoice contents and OCR text are discarded after processing.