How it works

1. Start recording

   • Asks for location permission.
   • Records a point every second (watchPosition + a 1s interval).
   • Requests a screen wake lock so the display stays on (supported in most modern browsers when the page is visible).
   • Button turns red and shows:
     “Recording your location. This is sensitive data please think before sharing this data.”
   • Shows a live count of recorded points.

2. Stop recording (press the red button again)

   • Stops geolocation and releases the wake lock.
   • Shows a read-only textarea with the full array as pretty-printed JSON, plus a Copy data button.

3. JSON shape (one array of objects), e.g.:

[
  {
    "latitude": 52.37,
    "longitude": 4.89,
    "accuracy": 12.5,
    "altitude": null,
    "altitudeAccuracy": null,
    "heading": null,
    "speed": null,
    "timestamp": 1729790000000,
    "recordedAt": "2026-10-24T17:47:00.000Z"
  }
]

Open the file in a browser (preferably over HTTPS or localhost — geolocation and wake lock usually need a secure context). Allow location when prompted.