The FacturX.NET library is a high-performance .NET library (benchmarks) that provides support for the Factur-X data formats, as defined by the FNFE (also known as ZUGFeRD in Germany).

These formats are the main formats used in the french and german electronic invoicing systems.

It comes in multiple flavors:

• a CLI tool: nuget | source
• a desktop editor: (coming soon)
• a web API: app | source
• a web app: app | source
• a .NET library: nuget | source

All these tools provide the same set of features.