JSON to GeoJSON Converter Online - Free Geographic Data Tool

JSON to GeoJSON Converter Online

Convert JSON data with coordinates to GeoJSON format for mapping applications

Conversion Settings

Geometry Type:

Latitude Field Name:

Longitude Field Name:

Input JSON

GeoJSON Output

About JSON to GeoJSON Conversion

GeoJSON is a format for encoding geographic data structures using JSON. It supports various geometry types and is widely used in mapping applications.

Point: Single coordinate pair (longitude, latitude)
LineString: Array of coordinate pairs forming a line
Polygon: Array of linear rings (closed lines)
Feature: Geometry with properties
FeatureCollection: Array of features

Input Format: Provide JSON with coordinate fields (lat/lng, latitude/longitude, or x/y). The tool will automatically detect and convert to proper GeoJSON format.

Coordinate Order: GeoJSON uses [longitude, latitude] order (opposite of common [lat, lng] notation).

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Encode, decode, measure sizes, and transform common formats.

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