GPX Editor Online
MapGridder opens GPX files in your browser so you can add, move, and relabel waypoints, draw or adjust routes, and export a clean GPX file. GPX is an open XML format for GPS data, and everything here runs on your device, so your tracks are never uploaded to a server.
What you can do
- Import GPX waypoints, routes, and tracks
- Add, move, and rename waypoints on the map
- Draw and edit routes, measure distances
- Export back to GPX, or convert to KML
Frequently asked questions
How do I edit a GPX file online?
Open the map, load your GPX with the Import button in the route panel (or the File menu), then drag points, draw or adjust routes, and add waypoints. Export a new GPX file when you are done.
Are my GPX files uploaded anywhere?
No. Parsing and editing happen entirely in your browser. The file never leaves your device.
What is the file size limit?
GPX imports up to 5 MB, which covers most waypoint and route files.
Can I convert GPX to KML?
Yes. You can export your edited data as KML, or use the dedicated GPX to KML converter.
Related: GPX and KML guide · Convert GPX to KML · KML viewer · Export a map to GeoJSON · How to edit GPX files online