awesome geojson

GeoJSON utilities that will make your life easier. Sponsored by Placemark, a collaborative editor for maps with great support for GeoJSONoperations

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 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

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 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