Max Blue
Founder & Editor-in-Chief
About
Max Blue is the founder of Blue Cala Films and leads the editorial direction of docutools.pro. He builds the platform's e-invoicing tools — from the XRechnung viewer and KOSIT validation to the ZUGFeRD extractor — and has worked for years on the practical implementation of Germany's e-invoicing mandate for freelancers and small and medium-sized businesses. His focus is making the technically demanding EN 16931 standard understandable and usable for people without an ERP system.
Credentials
- Founder, Blue Cala Films (Eschborn, DE)
- Editorial lead for docutools.pro
- Builds the platform's XRechnung & ZUGFeRD tooling