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GeoJSON utilities that will make your life easier.
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Dec 26, 2023
validation
- antimeridian (⭐26): Fix GeoJSON polygons that cross the antimeridian (Python package)
Jul 20, 2023
services
- geojson minify: Minifier (compressor) to reduce file sizes
Apr 18, 2023
conversion
- topojson for Python (⭐167): Topojson is a library that is capable of creating a topojson encoded format of merely any spatial object in Python.
- geomet (⭐163): Pure Python conversion library for common geospatial data formats
Apr 15, 2023
data
- france-geojson (⭐663): Outlines of regions, departments, arrondissements, cantons and communes of France (mainland and overseas departments) in GeoJSON format
Apr 14, 2023
resources
- geojson-invalid-geometry (⭐25): List of GeoJSON invalid geometry issues with example files.
Jan 18, 2023
operations
- geojson-indoor-tools (⭐3): Python tools for editing indoor GeoJSON features: adding room heights, building walls and creating doors
Dec 11, 2022
conversion
- betterknown (⭐33): convert WKT to GeoJSON (successor to wellknown)
Aug 02, 2022
editors & viewers
- img2geojson: digitize images by overlaying on a web map and drawing
Jun 07, 2022
validation
- Jest-GeoJSON (⭐8): an extended set of matcher functions for the Jest Javascript unit testing framework tailored to evaluating GeoJSON data
May 21, 2022
data
- 99boundaries (⭐9): Generate any maritime & land boundary in GeoJSON and other file formats or download directly from the web
May 02, 2022
operations
- turf (⭐8.5k): collection of functions for spatial operations and analysi
- turf_dart (⭐45): a turf.js port for Dart and Flutter
Jan 08, 2022
operations
- de9im (⭐24): collection of fast functions for spatial javascript operations
Dec 04, 2021
conversion
- OpenStreetMap
- osmtogeojson (⭐655): convert OpenStreetMap data to GeoJSON
- osm2geojson (⭐12): converts OSM XML to GeoJSON
- osm2geojson (⭐88): (Python) converts OSM XML and Overpass XML/JSON to GeoJSON
- minjur (⭐58): converts OpenStreetMap data to GeoJSON faster than anything else
- geojsontoosm (⭐19): convert GeoJSON to OSM XML
- geojson2osm (⭐6): convert GeoJSON to OSM XML
- osm-and-geojson (⭐89): convert GeoJSON to OSM XML and OSM XML to GeoJSON
- geojson2osm-es6 (⭐0): convert GeoJSON to OSM XML
- query-overpass (⭐149) CLI to make Overpass query and transform result to GeoJSON. Based on osmtogeojson (⭐655)
Oct 20, 2021
validation
- check-geojson (⭐59): alternative to geojsonhint
Sep 05, 2021
data
- historical-basemaps (⭐380): Collection of georeferenced boundaries of world countries and cultural regions for use in mapping historical data on the world scale.
Jun 24, 2021
validation
- gjf (⭐98): A tool to fix invalid GeoJSON objects
Jun 21, 2021
serialization
- geojson-serializer (⭐6): serialize Java with annotations as GeoJSON
Apr 19, 2020
data
- country-levels (⭐17) Full planet GeoJSON extracts, based on ISO and FIPS codes.
Mar 18, 2020
editors & viewers
- Web GIS: tools to view, inspect, and manipulate geospatial data
Apr 17, 2019
validation
- geojson-validation: many validation functions, plus simple gjv command line tool
Mar 03, 2019
conversion
- togeojson (⭐374): convert GPX & KML to geojson
Feb 03, 2019
operations
- rfc7946-to-d3 (⭐11): Converts polygon winding order between rfc7946 and d3 compatible (⭐987) conventions.
- geojsontools (⭐18): Python tools for manipulating GeoJSON files
conversion
- CSV
- csv2geojson (⭐355): convert CSV to geojson
- geojson2dsv (⭐8): convert geojson to CSV and TSV
- vt-geojson (⭐60): Extract GeoJSON from Mapbox vector tiles
- tokml (⭐177): convert GeoJSON to KML
- wellknown (⭐257): convert WKT to GeoJSON
- geoxform (⭐14): convert any size stream of geojson into a streaming CSV, Shapefile or KML, etc.
- SVG
- geojson2svg (⭐199): Converts GeoJSON to SVG string given SVG view port size and maps extent.
- geojson-svgify (⭐16): Convert GeoJSON geometry paths to SVG polyline elements.
- geojson-to-svg-cli (⭐26): Command line tool to convert GeoJSON to SVG.
- svg-to-geojson (⭐113): 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
Jan 23, 2019
editors & viewers
- geojson.tools: web-based editor from HERE XYZ
Oct 26, 2018
data
- gimme OSM: Fetch geojson file by openstreetmap id
Apr 18, 2018
operations
- geojson-id-streaming (⭐2): Add a unique id to each Feature
- geojson-mesh (⭐12): extract shared borders of Polygons in a GeoJSON
- geojson-polygon-labels (⭐79): generate point labels from GeoJSON polygons
Nov 20, 2017
data
- geo-maps (⭐1.2k): High Quality GeoJSON maps programmatically generated.
Sep 28, 2017
operations
- geo_assigner (⭐2): Copy a property to all intersecting features
Sep 14, 2017
operations
- CoGran (⭐106): Resample statistics from one set of GeoJSON polygons to another
Mar 11, 2017
editors & viewers
- dropchop: browser-based GIS based on Turf.js
Mar 09, 2017
serialization
- geojson-jackson (⭐255): serialize GeoJSON to and from Java datatypes (based on Jackson)
- mapbox-java (⭐400): serialize GeoJSON to and from Java datatypes (based on Gson (⭐23k))
resources
- RFC 7946 – The GeoJSON Format: the current GeoJSON standard by IETF
- GeoJSON.org: the first specification, defining all the rules for GeoJSON structures
Feb 17, 2017
conversion
- supercluster (⭐2k): A fast GeoJSON clustering library for browsers and Node.
Feb 11, 2017
services
- featureserver (⭐100): An open source Esri-Style Feature Server
Jan 28, 2017
editors & viewers
- geojson2image (⭐12): library for generating images from GeoJSON
Dec 05, 2016
operations
- geojson-flatten (⭐51): flatten multi geometries into normal geometries
- geojson-random (⭐74): generate random geojson points, lines, and polygons
editors & viewers
- GeoJSON editor: a modified version of Google's simple geojson editor
conversion
- topojson (⭐4.5k): convert GeoJSON to & from TopoJSON, join data from CSV
data
- world-atlas (⭐994): customizable simplified versions of natural earth data
- us-atlas (⭐836): geojson & topojson for United States features
Jul 21, 2016
resources
- More than you ever wanted to know about GeoJSON: a review of the concepts behind the specification in a more narrative format.
May 06, 2016
operations
- geojson-multiply (⭐2): merge normal geojson features into one multi geometry type feature
Feb 27, 2016
operations
- winnow (⭐89): run sql queries against geojson with javascript
Feb 20, 2016
editors & viewers
- gjv (⭐76): electron app enables viewing GeoJSON locally and hack on it with turf; works offline
data
- metro-extracts: regional OpenStreetMap data as GeoJSON
Feb 01, 2016
services
- geojsonio-cli (⭐164): send geojson features to geojson.io from your command line
data
- geojson.xyz: natural earth data in web-friendly sizes with hotlinking
Jan 28, 2016
serialization
- rgeo-geojson (⭐181): serialize geojson to/from ruby RGeo datatypes
Nov 30, 2015
services
- koop: Server with plugins that recast Esri, GitHub, Socrata and other services as GeoJSON endpoints
Oct 26, 2015
conversion
- gtfs2geojson (⭐25): convert GTFS transit data to GeoJSON
Sep 22, 2015
editors & viewers
- geojson.io: web-based editor, supports many filetype imports & exports, operations, sharing via GitHub
- umap: web-based editor, supports sharing on-site
- mapstarter: helps generate svg, images, and code from GeoJSON
Jul 23, 2015
conversion
- esri2open (⭐250) converts proprietary Esri formats to GeoJSON
Jun 10, 2015
data
- strava-geojson (⭐26): export all strava data to geojson, in node & on the web
Jun 02, 2015
operations
- geojson-join (⭐35): join geojson against json, dbf, and csv files
Jun 01, 2015
services
- mapshaper: Simple interface for simplification and conversion of GeoJSON and TopoJSON
May 31, 2015
data
- strava-to-geojsonio (⭐7): export runs & rides from Strava to GeoJSON
May 30, 2015
data
- whereonearth-airport (⭐14): outlines of every airport
- whereonearth-building (⭐9): building outlines
- whereonearth repos: other features output from GeoPlanet by Aaron Straup Cope
- tgn-geojson (⭐15): The Getty Thesaurus of Geographic Names (TGN) As GeoJSON.
May 29, 2015
operations
- geojson-coords (⭐30): Extract coordinates from GeoJSON
- geojson-js-utils (⭐402): JavaScript helper functions for manipulating GeoJSON
- geojson-merge (⭐229): Merge multiple GeoJSON files into one FeatureCollection.
- geojson-normalize (⭐31): normalize any geojson object into a geojson featurecollection
- geojson-pick: remove all but specified properties from features in a geojson featurecollection
- geojson-summary (⭐33): get a plain-english summary of what's in a geojson file
- point-grouper: group geojson points into containing polygons
- simplify-geojson (⭐171): apply the ramer-douglas-peucker line simplification to geojson features or feature collections in JS or on the CLI
services
- geojsonio-extension (⭐1): chrome extension for editing github files in geojson.io
- geojsonlint: REST interface for GeoJSON validation
conversion
- geojson-mapnikify (⭐38): Transform GeoJSON objects into Mapnik XML stylesheets with embedded GeoJSON data and simplestyle-spec-derived styles.
- geojson-vt (⭐1.8k): Slice GeoJSON into vector tiles on the fly in the browser
- geojson2rtree (⭐9): generate a static rtree (using terraformer) from a set of geojson features
- ogr2ogr: convert anything to anything
- fiona (⭐1.1k): nice python interface on top of ogr
- shp2json: convert shapefile zip archives to streaming GeoJSON
data
- natural earth: country, province, and geographical data
- openflights-geojson (⭐27): openflights airports & airplane routes
May 28, 2015
operations
- geojson-extent: compute the bounding box of geojson features
- geojson-rewind (⭐118): enforce ring winding order
validation
- geojsonhint (⭐256): find errors in your geojson files
serialization
- python-geojson (⭐850): serialize geojson to/from python datatypes
- rust-geojson (⭐228): serialize geojson to/from rust datatypes