EPSG Check

The EPSG Checker is a tool to check whether or not a certain EPSG code exists and is valid for use in GDAL.

Codes that do not define complete coordinate reference systems are considered invalid. Codes that do not have a proj4 string are also considered invalid. Codes that have been deprecated are considered invalid as well.

A latitude / longitude coordinate can be added to the search alongside the EPSG code to check whether the code is valid at that location.