OSM Mapper helps the OpenStreetMap community to monitor edits and changes across defined geographical areas. Providing global coverage, OSM Mapper allows both the mapping professional and OSM user community to moderate contributions in their local area. ITO update OSM Mapper daily from the OpenStreetMap feed.

This tool was developed with support from Ideas in Transit, a five-year research project following user-led information technology innovation in the transport domain.



View contributions by different users and monitor recent user sessions (RSS feeds available).

Tag analysis

View the geographical spread of particular tags (e.g. highway, railway, waterway).

Change history

View changes to the data over time.

Data analysis

Analyse tag values producing lists of features such as street names or schools. Export data as an image, CSV or KML.

Subscribe Registered ITO users can subscribe to the product here.

Register New users can sign up here (sign up is free).

Use OSM Mapper Users who already are subscribed to OSM Mapper can use it after logging in.