What is? GEOJSON File Format and How to Open it?
Geographic data is described using a file format known as GEOJSON. The structure is an open standard created to show simple geographic features together with their non-spatial qualities. Its basis is JavaScript object notation or JSON. Geographic features are expressed in the open-source format GEOJSON using a data structure called JavaScript Object Notation (JSON). Supported by GEOJSON are points, lines, and polygons among other kinds of features. Other geospatial data formats also offer these kinds of characteristics.
Any text editor can open GEOJSON files; nonetheless, it is highly advised that you use a GIS program compatible with the GEOJSON format. Among such tools are Mapbox Studio, QGIS, and ESRI ArcGIS. Additionally able to handle GEOJSON files are web mapping application programming interfaces (APIs) such as Google Maps, OpenLayers, and Leaflet.