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awesome geojson Awesome

GeoJSON utilities that will make your life easier.

Placemark 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

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
  • img2geojson: digitize images by overlaying on a web map and drawing

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

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
  • 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
  • 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

serialization

resources

License

CC0

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