EN16931 Visualization

Support the visualization of EN16931 invoices in UBL and CII.

List of existing Open Source solutions

The list is not complete. It is only collected on a best-effort basis. If you want your OSS Invoice Visualization listed, please contact me by email (visu at helger.com).

The entries are grouped by document format, without considering dependencies on the document types (like Peppol BIS Billing being a CIUS to the EN16931 Invoice).

Peppol

Peppol BIS Billing:

• Type: XSLT script
• Source formats: UBL Invoice, UBL Credit Note
• Target format: HTML
• Language: English
• Details: https://docs.peppol.eu/poacc/billing/3.0/files/stylesheet-ubl.xslt
• Last Update: 2024

Unimaze Peppol Stylesheets

• Type: XSLT script
• Source formats: UBL Invoice, UBL Credit Note, UBL Order
• Target formats: HTML
• Languages: English, Icelandic, Polish, Swedish
• Details: https://github.com/unimaze/unimaze-peppol-stylesheets
• Last Update: 2019
• License: Apache 2.0

SFTI - Single Face To Industry

• Type: XSLT script
• Source formats: UBL Invoice, UBL Credit Note, UBL Order, UBL Order Response, UBL Catalogue
• Target formats: HTML
• Languages: English, Polish, Swedish
• Details: https://github.com/SingleFaceToIndustry/SFTI-repository/tree/master/PEPPOL%20BIS%20Billing%203/Presentation%20Stylesheet
• Last Update: 2024

Byte Brain Technologies

• Type: Python application
• Source formats:
• Target formats: HTML, PDF, JSON, XML
• Languages: English, French, Dutch, German
• Details: https://github.com/bytebraintechnologies/peppol-xml-visualizer
• Last Update: 2026
• License: MIT

Center Glass

• Type: JavaScript
• Source formats: UBL
• Target formats: HTML
• Languages: English
• Details: https://github.com/roverbird/eu-invoice-tools
• Last Update: 2026
• License: MIT

Germany / XRechnung / ZUGFeRD

KoSIT:

• Type: XSLT Script
• Source formats: UBL Invoice, UBL Credit Note, Cross Industry Invoice
• Target formats: HTML, PDF, PDF tabular
• Language: German, English
• Details: https://github.com/itplr-kosit/xrechnung-visualization
• Last Update: 2024
• License: Apache 2.0

Jochen Stärk:

• Type: Installable application
• Source formats: UBL Invoice, UBL Credit Note, Cross Industry Invoice, ZUGFeRD PDF
• Language: German, English, French
• Details: https://quba-viewer.org/ und https://github.com/ZUGFeRD/quba-viewer
• Last Update: 2024
• License: Apache 2.0