awesome geojson

GeoJSON utilities that will make your life easier.

operations

• CoGran: Resample statistics from one set of GeoJSON polygons to another


• geo_assigner: Copy a property to all intersecting features


• geojson-coords: Extract coordinates from GeoJSON


• geojson-extent: compute the bounding box of geojson features


• geojson-flatten: flatten multi geometries into normal geometries


• geojson-multiply: merge normal geojson features into one multi geometry type feature


• geojson-js-utils: JavaScript helper functions for manipulating GeoJSON


• geojson-merge: Merge multiple GeoJSON files into one FeatureCollection.


• geojson-normalize: normalize any geojson object into a geojson featurecollection


• geojson-pick: remove all but specified properties from features in a geojson featurecollection


• geojson-random: generate random geojson points, lines, and polygons


• geojson-rewind: enforce ring winding order


• rfc7946-to-d3: Converts polygon winding order between rfc7946 and d3 compatible conventions.


• geojson-summary: get a plain-english summary of what's in a geojson file


• point-grouper: group geojson points into containing polygons


• geojson-join: join geojson against json, dbf, and csv files


• simplify-geojson: apply the ramer-douglas-peucker line simplification to geojson features or feature collections in JS or on the CLI


• turf: collection of functions for spatial operations and analysis


• winnow: run sql queries against geojson with javascript


• geojson-id-streaming: Add a unique id to each Feature


• geojson-mesh: extract shared borders of Polygons in a GeoJSON


• geojson-polygon-labels: generate point labels from GeoJSON polygons


• geojsontools: Python tools for manipulating GeoJSON files

editors & viewers

• geojson.io: web-based editor, supports many filetype imports & exports, operations, sharing via GitHub


• umap: web-based editor, supports sharing on-site


• geojson.tools: web-based editor from HERE XYZ


• mapstarter: helps generate svg, images, and code from GeoJSON


• gjv: electron app enables viewing GeoJSON locally and hack on it with turf; works offline


• GeoJSON editor: a modified version of Google's simple geojson editor


• geojson2image: library for generating images from GeoJSON


• dropchop: browser-based GIS based on Turf.js


• Web GIS: tools to view, inspect, and manipulate geospatial data

validation

• geojsonhint: find errors in your geojson files


• geojson-validation: many validation functions, plus simple gjv command line tool


• gjf: A tool to fix invalid GeoJSON objects

services

• geojsonio-cli: send geojson features to geojson.io from your command line


• geojsonio-extension: chrome extension for editing github files in geojson.io


• geojsonlint: REST interface for GeoJSON validation


• mapshaper: Simple interface for simplification and conversion of GeoJSON and TopoJSON


• koop: Server with plugins that recast Esri, GitHub, Socrata and other services as GeoJSON endpoints


• featureserver: An open source Esri-Style Feature Server

conversion

• CSV


• csv2geojson: convert CSV to geojson


• geojson2dsv: convert geojson to CSV and TSV


• geojson-mapnikify: Transform GeoJSON objects into Mapnik XML stylesheets with embedded GeoJSON data and simplestyle-spec-derived styles.


• geojson-vt: Slice GeoJSON into vector tiles on the fly in the browser


• vt-geojson: Extract GeoJSON from Mapbox vector tiles


• geojson2rtree: generate a static rtree (using terraformer) from a set of geojson features


• ogr2ogr: convert anything to anything


• fiona: nice python interface on top of ogr


• shp2json: convert shapefile zip archives to streaming GeoJSON


• togeojson: convert GPX & KML to geojson


• tokml: convert GeoJSON to KML


• topojson: convert GeoJSON to & from TopoJSON, join data from CSV


• wellknown: convert WKT to GeoJSON


• esri2open converts proprietary Esri formats to GeoJSON


• gtfs2geojson: convert GTFS transit data to GeoJSON


• geoxform: convert any size stream of geojson into a streaming CSV, Shapefile or KML, etc.


• supercluster: A fast GeoJSON clustering library for browsers and Node.


• SVG


• geojson-svgify: Convert GeoJSON geometry paths to SVG polyline elements.


• geojson-to-svg-cli: Command line tool to convert GeoJSON to SVG.


• svg-to-geojson: Drag and drop SVG on the map and it returns GeoJSON back to you.


• geojson2ndjson: convert GeoJSON to/from newline-delimited GeoJSON


• 
  

  geobuf: convert GeoJSON to/from GeoBuf

  
  


• 
  

  OpenStreetMap

  
  


• osmtogeojson: convert OpenStreetMap data to GeoJSON


• osm2geojson: converts OSM XML to GeoJSON


• osm2geojson: (Python) converts OSM XML and Overpass XML/JSON to GeoJSON


• minjur: converts OpenStreetMap data to GeoJSON faster than anything else


• geojsontoosm: convert GeoJSON to OSM XML


• geojson2osm: convert GeoJSON to OSM XML


• osm-and-geojson: convert GeoJSON to OSM XML and OSM XML to GeoJSON


• geojson2osm-es6: convert GeoJSON to OSM XML

data

• natural earth: country, province, and geographical data


• geojson.xyz: natural earth data in web-friendly sizes with hotlinking


• world-atlas: customizable simplified versions of natural earth data


• geo-maps: High Quality GeoJSON maps programmatically generated.


• openflights-geojson: openflights airports & airplane routes


• us-atlas: geojson & topojson for United States features


• metro-extracts: regional OpenStreetMap data as GeoJSON


• whereonearth-airport: outlines of every airport


• whereonearth-building: building outlines


• whereonearth repos: other features output from GeoPlanet by Aaron Straup Cope


• tgn-geojson: The Getty Thesaurus of Geographic Names (TGN) As GeoJSON.


• strava-to-geojsonio: export runs & rides from Strava to GeoJSON


• strava-geojson: export all strava data to geojson, in node & on the web


• gimme OSM: Fetch geojson file by openstreetmap id


• country-levels Full planet GeoJSON extracts, based on ISO and FIPS codes.


• historical-basemaps: Collection of georeferenced boundaries of world countries and cultural regions for use in mapping historical data on the world scale.

serialization

• python-geojson: serialize geojson to/from python datatypes


• rgeo-geojson: serialize geojson to/from ruby RGeo datatypes


• rust-geojson: serialize geojson to/from rust datatypes


• geojson-jackson: serialize GeoJSON to and from Java datatypes (based on Jackson)


• mapbox-java: serialize GeoJSON to and from Java datatypes (based on Gson)


• geojson-serializer: serialize Java with annotations as GeoJSON

resources

• RFC 7946 – The GeoJSON Format: the current GeoJSON standard by IETF


• GeoJSON.org: the first specification, defining all the rules for GeoJSON structures


• More than you ever wanted to know about GeoJSON: a review of the concepts behind the specification in a more narrative format.

License

To the extent possible under law, Tom MacWright has waived all copyright and related or neighboring rights to this work.