Factur-X validator

Validates Factur-X and ZUGFeRD invoices – a PDF with embedded XML, or the XML alone – against the official FNFE-MPE and FeRD rules (Factur-X 1.09.2), profile by profile, entirely in your browser.

Drop your PDF or XML file hereChoose a fileFree, no sign-upYour invoice never leaves your browser

Rules and versions used

Factur-X 1.09.2 / ZUGFeRD, as of 4 August 2026

Up to 25 MiB per file and in total for embedded XML files. Validation stops after 30 seconds at most.

Read the invoice instead: open the Factur-X viewer

100% in your browser
Your invoice never leaves your device.
Result in seconds
Checked against the official rule sets.
Free
No sign-up, no limits.

The profiles

MINIMUMHeader data and totals, no lines; not a proper invoice in Germany since 2025.
BASIC WLHeader and total data without invoice lines; does not represent the complete EN 16931 data set.
BASICWith lines, for simple invoices, EN 16931 compliant.
EN 16931The complete European core data set (formerly COMFORT).
EXTENDEDExtensions beyond EN 16931, for supply chains for instance.
XRECHNUNGAn XRechnung as the embedded XML; checked with the KoSIT rules.

What is checked

The PDF container: name of the embedded file (factur-x.xml, zugferd-invoice.xml, xrechnung.xml), Factur-X XMP metadata, PDF/A-3 identification.
The XML Schema of the detected profile, Factur-X 1.09.2 (FeRD / FNFE-MPE).
The profile's business rules: EN 16931 and the Factur-X rules, Schematron 1.09.2 by FeRD / FNFE-MPE.
XRECHNUNG profile: the KoSIT rules, as in the XRechnung validator.

What is not checked

PDF/A-3 conformance itself (fonts, colours, structure) – that takes a PDF/A validator such as veraPDF.
Electronic signatures.
Whether the content is actually correct, such as amounts, bank details or the Leitweg-ID.

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Factur-X validator

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