Free Device & Sensor Tools

Test your phone's hardware straight from the browser — screen, microphone, compass, vibration and GPS. Nothing to install, nothing uploaded. For more features, check out our mobile apps.

Screen & display

📐

Screen Resolution & Refresh Rate

Resolution, pixel ratio, colour depth and a measured refresh rate in Hz.

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Get the Device Settings Information app Read the guide →

🖥️

Dead Pixel & Touch Test

Full-screen colour cycling and touch tracing to find screen faults.

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Get the Device Settings Information app Read the guide →

Audio

🔊

Online Sound Meter

Measure ambient noise levels in decibels using your microphone.

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Get the Sound Meter app Read the guide →

🎙️

Microphone Test

Confirm your mic works and watch a live input level meter.

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Get the Sound Meter app Read the guide →

Sensors & location

📳

Vibration Test

Run vibration patterns to check your phone’s haptic motor.

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Get the Device Settings Information app Read the guide →

📍

GPS Accuracy Test

See your current location accuracy radius, altitude and speed.

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Get the My Location Tracker app Read the guide →

🧭

Online Compass

Magnetic heading from your phone's magnetometer, in the browser.

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Get the Compass - Digital Compass app Read the guide →

Device specs

📊

Device Specs Checker

See your browser, OS, screen resolution, and device details.

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Get the Device Settings Information app Read the guide →

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