---
id: arcgis2geojson
version: "3.1.1"
license: MIT
license_treatment: permissive
maintenance: active
---

# arcgis2geojson — A Python library for converting ArcGIS JSON to GeoJSON

License: permissive · Maintenance: active · Downloads: 140.6K/mo

## What it is and what it does

arcgis2geojson is a format converter that transforms ArcGIS JSON objects into GeoJSON-compliant Feature objects. It accepts input as either JSON strings or Python dictionaries and returns the corresponding GeoJSON format, preserving attributes as properties and converting ArcGIS geometry structures (rings, spatial references) into standard GeoJSON coordinate arrays. The package includes both a Python library API and a command-line tool for batch conversion or piped processing.

The library is a partial port of ESRI's official arcgis-to-geojson-utils, originally Apache 2.0 licensed but relicensed here under MIT. It has no external runtime dependencies, making installation straightforward. The package actively supports modern Python versions (3.10 through 3.14) and has been maintained since 2017, with recent activity as of August 2026.

Use it for:

- Convert ArcGIS REST API responses to GeoJSON for use in web mapping libraries like Leaflet or Mapbox
- Batch-process ArcGIS JSON export files to GeoJSON format via the command-line tool for data pipeline workflows
- Integrate ArcGIS data sources into GeoJSON-based geospatial analysis or visualization tools
- Transform spatial attributes and geometries from ArcGIS services for interoperability with GeoJSON-native systems
- Pipe ArcGIS JSON data through the CLI for real-time format conversion in shell scripts or data ETL processes

## Worth the install?

AI-flagged interpretation of the facts above — verify before relying.

Converts ArcGIS JSON format to GeoJSON format, supporting both string and dictionary inputs, with a command-line interface for file and stream processing.

Yes. The package solves a specific, well-defined problem with zero external dependencies, permissive licensing, active maintenance, and no known vulnerabilities. Install it if you need to convert ArcGIS JSON to GeoJSON; skip it if you work exclusively with one format.

## Install

pip install arcgis2geojson
uv add arcgis2geojson
poetry add arcgis2geojson

## Installing arcgis2geojson

Before you install: Low friction: pure Python wheel with no runtime dependencies. Actively maintained as of 2026-08-10 with recent release history.

License in practice: MIT license (permissive). Derivative of ESRI's Apache 2.0 licensed arcgis-to-geojson-utils; relicensed under MIT for this port.

Quickstart:

pip install arcgis2geojson

from arcgis2geojson import arcgis2geojson

input_dict = {'attributes': {'OBJECTID': 123}, 'geometry': {'rings': [[[41.8359375, 71.015625], [56.953125, 33.75], [21.796875, 36.5625], [41.8359375, 71.015625]]], 'spatialReference': {'wkid': 4326}}}
output = arcgis2geojson(input_dict)
print(output)

Requires Python 3.10 or later.

Verify before relying:

- Whether the conversion handles all ArcGIS geometry types (points, polylines, polygons, multipart) or only a subset
- Performance characteristics on large ArcGIS datasets or streaming scenarios
- Handling of spatial reference systems beyond the wkid examples shown

## Package facts

- License: MIT (permissive)
- Python support: supports_current
- Install friction: low
- Maintenance: active
- Downloads: 140.6K/month (top 15,000 on PyPI)
- Known vulnerabilities: none known

## Tags

arcgis to geojson conversion, convert arcgis json, geojson from arcgis, arcgis json parser, spatial data format conversion, geojson transformer, arcgis geometry converter, geospatial, data-conversion, cli-tool

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