Coordinate Offset Adjuster

Load file (drag & drop or use picker)

Drop a .gpx, .kml, or .xml file here

No data leaves your browser

Target latitude

Target longitude

Precision (decimals)

Preview layers

Altitude handling

Auto‑fit map Show markers Show legend

Mirror

Mirror reference

Detected format—

Total points0

Offset Δlat0

Offset Δlon0

Details & logs

Tip: click on the map to set the target beginning coordinate. The offset is computed as target − firstPoint and applied to every coordinate.

KMZ is not supported. Unzip to a KML first.

Original path

Adjusted path

Target beginning coordinate