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Turn CII XML into UBL XML

Hand over a UN/CEFACT Cross Industry Invoice (CII) and get back a UBL invoice, the syntax that dominates the Peppol network. Free of charge and ready in moments.

Drop a CII XML file in this area, or click anywhere to pick one from your device.

Why switch from CII to UBL?

Take the CII syntax that ZUGFeRD and Factur-X rely on and recast it as the UBL syntax that the majority of Peppol access points are set up to receive.

Standards-True EN 16931 Mapping

CII and UBL render the same EN 16931 semantic model in different syntaxes. Each business term, trading party, invoice line and VAT breakdown is carried over one to one, never retyped.

Made for Sending over Peppol

Most Peppol access points are built around UBL. Recast your CII invoice into UBL so it slots straight into the network and reaches your trading partners.

Confidential by Default

Every file is handled in memory across an encrypted TLS channel and is wiped as soon as the response is returned, so nothing lingers on our infrastructure.

Free and Immediate

Skip the downloads, add-ons and sign-up forms. Hand over your CII XML and grab the finished UBL document right away.

How It Works

Take a CII invoice to UBL XML in just three quick steps.

Step 1

Add Your CII XML

Drop your UN/CEFACT Cross Industry Invoice (CII) XML onto the page, or click to locate it on your computer.

Step 2

Hands-Free Transcoding

The converter parses the EN 16931 content of your CII file and rewrites it as a UBL 2.1 invoice, primed for Peppol BIS Billing 3.0.

Step 3

Save Your UBL XML

The UBL XML is delivered straight away, set to travel through a Peppol access point or feed into any UBL-driven system.

Frequently Asked Questions

Key answers about taking your invoices from CII across to UBL.

Both CII (Cross Industry Invoice) and UBL (Universal Business Language) are XML representations of the same EN 16931 European invoice model. CII is the syntax tucked inside ZUGFeRD and Factur-X, while UBL is what you typically see on Peppol BIS.
You get valid EN 16931 UBL out of it. Peppol delivery may still call for electronic addresses, namely seller and buyer Endpoint IDs with a scheme, which Peppol BIS Billing 3.0 mandates. Where your CII left these out, supply them before dispatch.
It does not. Because each syntax holds the same EN 16931 business terms, no part of your invoice goes missing. The single exception is the Peppol electronic address requirement described just above.
The tool accepts EN 16931 Cross Industry Invoice documents, the CII pulled from ZUGFeRD and Factur-X invoices included.
Absolutely. Files are processed entirely in memory over TLS 1.3, never written to our servers, and removed the instant the conversion finishes.
All the Tools You Need

The full toolkit, all in one place

Rather use classic tools instead of chat? Each action is just one click away too.

Convert

Turn legacy invoices into compliant ZUGFeRD & XRechnung files instantly.

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Create

Build compliant ZUGFeRD & XRechnung invoices from scratch with our guided wizard.

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Validate

Check your invoices against EN 16931 and Germany's ERechG mandate.

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Extract

Pull structured XML straight out of any PDF invoice with AI-driven OCR.

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Embed

Embed your existing CII XML into a PDF to produce a compliant hybrid ZUGFeRD file.

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CII to ZUGFeRD

Convert your CII XML into a compliant ZUGFeRD PDF/A-3 hybrid invoice.

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UBL to CII PRO

Map a UBL invoice to UN/CEFACT CII XML, ready to embed in ZUGFeRD or Factur-X.

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CII to UBL PRO

Transform a CII invoice into UBL XML, the syntax most Peppol networks expect.

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