itf2xml is an Internet transfer service with which INTERLIS 1-data (.itf) can be translated into INTERLIS 2-data (.xml). The only preconditions in addition to Internet access are a ZIP program to compress the translated data and an email account for receiving the results. It is very easy to use as can be seen in the linked PDF document.


Transferservice itf2xml (only in German) PDF, 0.2 MB


INTERLIS is a description language designed to ensure long-term compatibility between different systems. INTERLIS is software and system independent.

The most currently used version is INTERLIS 2, version 2.3.

INTERLIS - who is behind it?

COGIS (Coordination, Geo-Information and Services) is the guardian of the formal language INTERLIS and provides the necessary information and documents. The activities of the Federal Administration in the field of geoinformation (GI) and geoinformation systems (GIS) are also coordinated by COGIS. See

You can find our contact details here.