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Convert an invoice online: a simple web upload guide
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Convert an invoice online: a simple web upload guide

1 min readReviewed: August 29, 2026
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Official references

Use these sources to verify dates, formats, and official rule changes.

The normal web upload is the simplest way to convert one invoice without an integration. You select the target format, upload the source, review the data, and download the validated result.

How web conversion works

  1. Open the converter and choose XRechnung, ZUGFeRD, UBL, CII, or another available target.
  2. Upload the invoice. One source file can be up to 20 MB.
  3. Review extracted supplier, buyer, tax, total, payment, and line-item data.
  4. Correct uncertain fields, run conversion and validation, then download the result and report.

What you should check

Technical validation checks the generated file. It does not replace your commercial or tax review. Compare important values with the source before sending the invoice.

When this route fits

Use the web route for occasional invoices and work that needs a visible review step. For repeated multi-file work, see the batch guide. For system integration, use the API guide.

Ready to convert your invoices?

Convert PDF invoices to XRechnung, ZUGFeRD, and other formats. Subscriptions from €10/month with annual billing (excl. taxes), with a 3-day trial on your first subscription. Or without a subscription: €5 per conversion (excl. taxes).

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