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France: receiving structured e-invoices became mandatory Sept 1, 2026. Germany & the rest of the EU follow from 2027. Is your invoice ready? Check it free

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How it works What we check Pricing FAQ Convert

Check an invoice — free

EN 16931 validation

Check an invoice

Upload any invoice (PDF or XML) and get instant EN 16931 compliance validation.

Drag and drop your invoice here or choose a file PDF XML Maximum 10 MB

Before you upload

Automatic format detection

Factur-X, ZUGFeRD, XRechnung, and standard XML.

Results in seconds

Each finding includes its severity, rule, and location.

Private by default

Processed in the EU and deleted immediately after validation.

Technical validation only; not tax, legal, or accounting advice.

Checking 25+ rules…

InvoiceGuard

Technical validation for e-invoices.

🇪🇺 Processed in the EU

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© InvoiceGuard — Technical validation tool. Not tax, legal or accounting advice.

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