Step 2 of 4 · ProjectsAPIs

All projectsAPIs

kaltblut

Java library for handling ZUGFeRD e-invoices.

What it does

Java toolkit for ZUGFeRD and Factur-X hybrid invoices: detects a PDF's flavour and profile, extracts the embedded XML and attachments, and validates the carrier-side rules including PDF/A-3 conformance. Java 17 or higher, Maven, PDFBox 3; veraPDF optional. It does not create hybrid PDFs or check the XML business rules (see phive-rules-zugferd); v0.9.6 is marked work in progress; Apache 2.0.

Where it fits on the map

Similar projects

Of the same kind, for a shared jurisdiction or tax area. Not a ranking.

Maintain this project?

Link to this page from your README, so readers find the facts, the notes and where it fits. The badge is a small SVG served from this site.

Listed on tax-oss.com

[![Listed on tax-oss.com](https://tax-oss.com/badge.svg)](https://tax-oss.com/projects/kaltblut/)
Next · Step 3 of 4The gapsThe activities with no open project yet, and the partly covered ones, with what to build on.