Coordinate System Transformer
Transform coordinates between any EPSG coordinate systems using GDAL
Source Coordinate System
Active: EPSG:4326
Target Coordinate System
Active: EPSG:3857
Input Coordinates
Enter coordinates, one per line. Supports formats: X,Y or X Y or X;Y (with optional Z)
0 coordinates detected
🔒 All transformations happen locally in your browser using GDAL WebAssembly.
Supports all EPSG codes including UTM zones, national grids, and projected systems.