JSPM

Proj4JS Projector Fully Loaded with Projections

Almost All the Projection Definitions for Proj4js

Merge Multiple Proj4 Instances

Proj4js wrapper for conversion between geospatial CRS (coordinate reference systems)

Simple, Modern Geospatial Bounding Boxes

Gets EPSG Code for Various Inputs (incl. OGC WKT, ESRI WKT, GML, Mapfile, PROJ String, Proj4js String, XML)

A library that converts GeoTIFFs geokeys to Proj4 string

Wrapper for all epsg definitions from PostGIS for proj4js in one easy-to-use file

reproject for geojson file

Turbo-charge your Re-projection Functions

Handle transformation between mars projections.

A Node-Red node for performing geographic coordinate conversions

Integrating proj4js into maptalks.

Find the geographic projection which best turns a given (X,Y) into an expected (lng, lat).

A Node-Red node for performing geographic coordinate conversions