How does the validation work?

We run the official EN 16931 and XRechnung (KoSIT) validation on your uploaded XML and show every error and notice with its rule code – plus a readable view of the invoice.

Which formats are supported?

XRechnung in both UBL and CII syntax. Upload the XML file directly.

Is the check free and GDPR compliant?

Yes. The check is free and requires no signup. Files are processed on servers in Germany and automatically deleted within 5 minutes.

What do error codes like BR-DE-1 mean?

They are the official EN 16931 / XRechnung business-rule identifiers. For example, BR-DE-15 means the buyer reference (Leitweg-ID, BT-10) is missing.

Check XRechnung & ZUGFeRD for free

Upload your invoice – get a readable view and EN 16931 validation in seconds. No signup.

Drag & drop your invoice here, or choose a file Accepted: XRechnung XML (UBL & CII)

Servers in Germany GDPR compliant Auto-deletion after 5 min No registration

How the validation works

1

Upload the XML

XRechnung in UBL or CII syntax. Your file is processed in Germany and never stored.
2

Readable view & check

We parse the invoice and run the official EN 16931 / KoSIT validation.
3

Get the result

See errors and notices with their rule codes – instantly, free, no signup.

Frequently asked questions

How does the validation work?: We run the official EN 16931 and XRechnung (KoSIT) validation on your uploaded XML and show every error and notice with its rule code – plus a readable view of the invoice.
Which formats are supported?: XRechnung in both UBL and CII syntax. Upload the XML file directly.
Is the check free and GDPR compliant?: Yes. The check is free and requires no signup. Files are processed on servers in Germany and automatically deleted within 5 minutes.
What do error codes like BR-DE-1 mean?: They are the official EN 16931 / XRechnung business-rule identifiers. For example, BR-DE-15 means the buyer reference (Leitweg-ID, BT-10) is missing.