Coordinate Transformer by gulyamani

You can use SRIDs, strings ('EPSG:3857', 'SR-ORG:1234'), proj4 strings ('+proj=tmerc +lat_0=0 +lon_0=27 +k=1 +x_0=5...'), Well-Known Text (PROJCS["PakI",GEOGCS["GCS_Everest_def_1962",...) for input and output CRS fields.

You can use spatialreference.org to get CRS Reference strings.