GeoJSON Viewer and Editor
Open, view, edit, measure and export GeoJSON files online for free. Work with polygons, points, routes and geographic data directly in your browser.
No installation required • Works in any modern browser
View GeoJSON Files Online
Open GeoJSON files instantly and visualize geographic features, polygons, markers and map layers on an interactive map.
Edit GeoJSON Data
Modify map features, coordinates, polygons and routes with powerful online editing tools.
Measure Areas & Distances
Calculate area, perimeter and route distances directly from imported GeoJSON data.
Export GeoJSON Files
Save your work and export edited projects back to GeoJSON format for GIS and mapping applications.
Convert GeoJSON to KML
Import GeoJSON files and export them as KML format for Google Earth and other mapping tools.
Export to Multiple Formats
Save projects as GeoJSON or KML files depending on your workflow requirements.
Free Online GeoJSON Viewer, Editor and Measurement Tool
Mapulator Web provides a complete GeoJSON viewer and editor that runs entirely in your browser. Open GeoJSON files online, visualize geographic data, edit polygons and routes, and manage map layers without installing software.
GeoJSON is widely used in GIS, mapping, surveying, agriculture, environmental planning, construction and utility management. Mapulator makes it easy to inspect, modify and measure GeoJSON features directly on interactive maps.
Import GeoJSON files, edit map data, calculate area and distance measurements, and export your projects back to GeoJSON format for use in GIS platforms and mapping tools.
Start Using the Free GeoJSON Viewer
Import, edit, measure and export GeoJSON files directly in your browser.
Open GeoJSON Viewer