Peppol Converter

Convert accounting invoices to Peppol BIS Billing 3.0

About Peppol Converter

A simple online Peppol converter tool to convert accounting invoices from PDF to Peppol BIS Billing 3.0 UBL XML format.

Peppol (Pan-European Public Procurement On-Line) is the European standard for electronic invoicing and e-invoicing compliance. This invoice conversion tool helps small businesses and developers bridge the gap between their existing accounting systems and the Peppol network by generating compliant UBL XML files.

Currently supports invoice conversion from FreeAgent PDF invoices to Peppol BIS Billing 3.0, with plans to add support for more accounting systems like Xero.

About the Developer

Hi, I'm Costanza, a software developer passionate about accounting tech and solving "boring" problems that matter to real businesses.

I believe that good software can eliminate friction in everyday business processes, allowing people to focus on what they do best rather than wrestling with file formats and compliance standards.

You can find me at bromleywebworks.co.uk.

Technology Stack

  • Spring Boot 2.7 — Java application framework
  • Thymeleaf — Server-side templating
  • Bootstrap 5 — Responsive UI framework
  • Apache PDFBox — PDF text extraction
  • ph-ubl21 — UBL 2.1 XML generation
  • Peppol BIS Billing 3.0 — E-invoicing standard