ogr2ogr

converts vector geospatial data

Convert shapefile to GeoJSON

$ ogr2ogr -f "GeoJSON" [output.json] [input.shp]

Convert GeoJSON to shapefile

$ ogr2ogr -f "ESRI Shapefile" [output.shp] [input.json]

Reproject data

$ ogr2ogr -t_srs EPSG:4326 [output.shp] [input.shp]

Import to PostGIS

$ ogr2ogr -f "PostgreSQL" PG:"dbname=[db]" [input.shp]

Select specific fields

$ ogr2ogr -select [field1,field2] [output] [input]

ogr2ogr [options] dst src

ogr2ogr converts vector geospatial data. Supports many formats.
The tool transforms between GIS formats. Part of GDAL suite.

DST

Destination dataset.

SRC

Source dataset.

-f FORMAT

Output format.

-t_srs SRS

Target coordinate system.

-s_srs SRS

Source coordinate system.

-select FIELDS

Select fields.

-where EXPR

Filter expression.

--help

Display help information.

Part of GDAL. Format support varies. Coordinate system important.

ogr2ogr is part of GDAL/OGR library for geospatial data processing.