Reproject (EPSG → EPSG)

Paste or upload GeoJSON, choose a source EPSG and target EPSG, and export the reprojected data. Runs entirely in your browser.

No upload Instant Standards‑based
Tip: Don’t know the EPSG? Try the CRS Finder to search by name or area of use.
Drag & drop GeoJSON (.geojson/.json) or paste below
or
Max recommended: ~25MB in‑browser
EPSG
If empty, assumes coordinates are already EPSG:4326
EPSG
decimals
Summary
No data yet.
Preview on map
Map Preview
Notes:
  • Proj definitions are fetched from epsg.io when needed.
  • Axis order is treated as x,y (easting/longitude, northing/latitude) by default.
  • Very large datasets perform better via our batch service.