The Code Surgeon

GPX Tools

Map and inspect sailing GPX tracks directly in your browser. Files are processed locally and are not uploaded.

Track Map

Select one or more GPX files. Signal K boat extensions are used when present for wind, tack, SOG, and water speed.

Select GPX files

show wind color by tack time points speed interval

No files selected.

Save derived sailing-performance observations from the selected GPX files. Raw GPX, coordinates, and timestamps are not saved.

Do not save my data at all Save my data on my computer only Share my data anonymously

No polar data saved yet.

This tool reads GPX files in your browser using local JavaScript. The selected files are not uploaded to this server.