This web tool has been developed to help both amateur and professional users in a wide range of geospatial applications from surveying and navigation to mapping and location-based services.

• ETRS89 to WGS84 transformations: time-dependent conversion for accurate geospatial analysis.
• Height determination over EGM1996 and EGM2008.
   

This tool was developed and is the property of Belgian NGI/IGN. It is protected by copyright and database law (Economic Law Code of 28/02/2013).

IGN means "Institut Géographique National"

NGI means "Nationaal Geografisch Instituut"