Open Web Coordinate Transformation Service

Select source and target of coordinate reference system (CRS)

Select by EPSG Code
Source CRS

Coordinate Reference System Source Name.

Target CRS 

Coordinate Reference System Target Name.

Search By Name
Source CRS
Target CRS

Input coordinates

Coordinate(s), in CSV format

Output Format
Complete Variations With CRS Info Compact GML

Already have an XML/GML file? proceed here