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🧲 Magnetic Field Log

🧲 Magnetic Field Log

If your browser exposes a magnetometer, read the phone's real magnetic field in microteslas, set a baseline, and mark changes with time. Unsupported devices stay honestly blank—no simulated readings.

A MAGNETOMETER IS NOT A GHOST DETECTOR
Readings change near speakers, phones, wiring, metal and magnets. This tool records only a physical sensor measurement; it cannot identify a cause or detect spirits. Sensor support and permission vary by browser.
Live field strength
— µT
Baseline
Not set
Change from baseline
— µT
Sensor idle. Press “Enable phone sensor” to request a reading; no data is collected in the background.

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