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Factur-X / CII Validator

Run a local structural precheck on CII XML first, then send the XML to the Tooltensor validator service for formal invoice-rule validation.

Precheck in the browser, then formal validation through the Tooltensor validator service.

Drop a CII or Factur-X XML file here, or choose a file.

The browser checks the basic CII structure first, then Tooltensor applies deeper validation rules and returns the report.

No file selected

Waiting for an XML file.

Why this page exists

This page is for staged validation, not legal certification. It helps users understand whether the file carries the expected fields first and then whether the formal validator reports CII, Factur-X, or EN 16931 rule issues.