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Converters & Transformers

Tools that transform mobility and transport data between different formats, standards, or structures — enabling interoperability, integration, and reuse across systems.

What Are Converters?

Converters help you translate datasets or messages from one technical or semantic format to another. They are essential for:

  • Interoperability – connecting systems using different data standards
  • Data exchange – publishing or consuming data in compatible formats
  • Modernization – migrating legacy data to current standards
  • Automation – integrating conversions into data pipelines or APIs

Converters often include format mapping, schema translation, and metadata transformation features.

Types of Converters

TypeDescriptionExample
Schema ConvertersTransform data from one schema or structure to anotherDATEX II ↔ JSON, XML ↔ RDF
Format ConvertersChange encoding or syntax (e.g., CSV → JSON)GTFS → NeTEx converter
Metadata ConvertersAdapt dataset descriptions to standards like DCAT-APDCAT-AP ↔ mobilityDCAT-AP
Geospatial ConvertersReproject or transform geographic coordinates or formatsWGS84 ↔ ETRS89 converter
Multi-standard ConvertersHandle several formats and provide mapping configurationsMulti-schema data gateway

Common Use Cases

Data Publication

Convert internal data to DATEX II, NeTEx, or mobilityDCAT-AP formats for publication on a National Access Point (NAP).

Data Integration

Transform heterogeneous inputs from different systems into a single harmonized schema.

Migration

Convert legacy data (CSV, XML, JSON) into standardized mobility formats for interoperability.

Metadata Alignment

Adapt dataset metadata between DCAT-AP and mobilityDCAT-AP profiles for consistent cataloguing.

Example Tool

DATEX II – JSON Converter

  • Converts DATEX II XML files into lightweight JSON
  • Preserves core data model semantics
  • Useful for APIs and web-based applications
  • Open source and standard-compliant

Available Tools

DATEX II Browser

Reference Documentation Tool

Wikipedia-style browser for exploring the DATEX II data model

By NAPCOREDATEX IIBrowserReferenceSearch

DATEX II Schema Generation Tool

Profile Generation Wizard

Web-based wizard for creating custom DATEX II profiles and generating schemas

By NAPCOREDATEX IISchemaWizardProfile

XSD-Browser

XML Schema Tool

Generates interactive, self-contained HTML documentation from XSD (XML Schema Definition)

XML SchemaXSDCLIWeb Application

Co-financed by the Connecting Europe Facility of the European Union