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Free e-invoice validation

Upload your ZUGFeRD or XRechnung file (as XML or PDF). We check it for compliance with the EU requirements (EN 16931) and the German requirements (XRechnung/KoSIT).

Validation basis: XRechnung 3.0.2 · ZUGFeRD 2.4 (EN 16931) · KoSIT configuration of Aug. 31, 2026 · Deadlines checked on Oct. 30, 2026

Please upload your file in ZUGFeRD or XRechnung format.
Processing the file. This may take a moment...
How does the check work?
  • Your file is analysed according to the ZUGFeRD structure (CII) or the XRechnung structure (UBL/CII).
  • Our software uses the official KoSIT validator for an exact check of the BR-DE business rules.
  • Successfully validated files and the key information read from them are presented to you in a clear overview.

All validation rules explained