What does the XRechnung/ZUGFeRD validator check?

It checks the structure and schema of your e-invoice against the EN 16931 standard (XSD basic check). The full business-rule check per KoSIT/Schematron is coming soon.

Is the check free and anonymous?

Yes. The basic check is free and requires no sign-up. Your file is processed only for validation and is not stored permanently.

Which files can I upload?

You can upload ZUGFeRD PDFs or XML files up to 10 MB. Pure UBL XRechnung files are not yet schema-checked.

Free · No sign-up

XRechnung/ZUGFeRD validator

Check an e-invoice against the EN 16931 schema. Upload a ZUGFeRD or XRechnung file (.xml or .pdf).

Basic check: structure & schema (XSD per EN 16931). The full business-rule check (KoSIT/Schematron) is coming soon.

More free tools

Everything around e-invoicing & VAT – no sign-up.

Create e-invoice ZUGFeRD & XRechnung as PDF and XML – prepared for EN 16931 and free. Small-business invoice VAT-free invoice with §19 notice – in one minute. E-invoice viewer Upload a ZUGFeRD or XRechnung file and view it readably. VAT return preview Quickly estimate your advance VAT return and payable amount.