JSON - GeoJSON
operations
27_ENTRIES- 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
14_ENTRIES- 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 formatter
Validate & Analyze Geographic Data Online
- 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
- geojson.io-for-vscode
create, edit, and preview GeoJSON data in VSCode, just like geojson.io
validation
7_ENTRIES- 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)
- geojson-pydantic
Pydantic models for GeoJSON
services
7_ENTRIES- 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
22_ENTRIES- **CSV**[csv2geojson](https://github.c...
CSVcsv2geojson: convert CSV to geojsongeojson2dsv: 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
- 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](https://github.c...
SVGgeojson2svg: 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](https...
OpenStreetMaposmtogeojson: convert OpenStreetMap data to GeoJSONosm2geojson: converts OSM XML to GeoJSONosm2geojson: (Python) converts OSM XML and Overpass XML/JSON to GeoJSONminjur: converts OpenStreetMap data to GeoJSON faster than anything elsegeojsontoosm: convert GeoJSON to OSM XML[…
- 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
19_ENTRIES- 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
- zg3d
3D models of existing buildings in the City of Zagreb, Croatia in GeoJSON (CSV and Excel also available).
serialization
6_ENTRIES- 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
4_ENTRIES- 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.