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Click anywhere on the map to fetch nearby OSM features and convert them to GEON format.
You can also search by name, paste GeoJSON, or drag-and-drop a .geojson
file onto the map.
GEON Explorer
An interactive demo for the Geospatial Experience-Oriented Notation format.
Click Map
Click anywhere on the map to query nearby OpenStreetMap features via the Overpass API.
Click a marker to convert it to GEON.
Search OSM
Type a place name and hit Search. Results from Nominatim appear on the map.
Build (Form)
Use the Build page to manually fill out every GEON field with a structured form.
Great for creating detailed place descriptions from scratch.
Paste / Drop GeoJSON
- Switch to "Paste GeoJSON" mode and paste any valid GeoJSON.
- Or drag-and-drop a
.geojson / .json file onto the map.
About
Developed by James Williams at the University of Nottingham.
GEON Specification v0.1.0 — February 2026. Licensed under CC BY 4.0.
