Awesome Lists with GitHub stars

awesome geojson

GeoJSON utilities that will make your life easier.

Sponsored by Placemark, a collaborative editor for maps with great support for GeoJSON

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 analysi
• turf_dart : a turf.js port for Dart and Flutter
• de9im : collection of fast functions for spatial javascript operations
• 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
• geojson-indoor-tools : Python tools for editing indoor GeoJSON features: adding room heights, building walls and creating doors
• geojson-shave : a Python command-line tool for reducing the size of GeoJSON files.

editors & viewers

• play.placemark.io: web-based editor, supports many filetype imports & exports, operations
• 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
• img2geojson: digitize images by overlaying on a web map and drawing
• point_ed: click on map to add points, download those as GeoJSON file

validation

• geojsonhint : find errors in your geojson files
• check-geojson : alternative to geojsonhint
• geojson-validation: many validation functions, plus simple gjv command line tool
• gjf : A tool to fix invalid GeoJSON objects
• Jest-GeoJSON : an extended set of matcher functions for the Jest Javascript unit testing framework tailored to evaluating GeoJSON data
• antimeridian : Fix GeoJSON polygons that cross the antimeridian (Python package)

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
• geojson minify: Minifier (compressor) to reduce file sizes

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
• betterknown : convert WKT to GeoJSON (successor to wellknown)
• 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
  • geojson2svg : Converts GeoJSON to SVG string given SVG view port size and maps extent.
  • 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
  • query-overpass CLI to make Overpass query and transform result to GeoJSON. Based on osmtogeojson
• topojson for Python : Topojson is a library that is capable of creating a topojson encoded format of merely any spatial object in Python.
• geomet : Pure Python conversion library for common geospatial data formats

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.
• 99boundaries : Generate any maritime & land boundary in GeoJSON and other file formats or download directly from the web
• france-geojson : Outlines of regions, departments, arrondissements, cantons and communes of France (mainland and overseas departments) in GeoJSON format

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.
• geojson-invalid-geometry : List of GeoJSON invalid geometry issues with example files.

License

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