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Controller Diagnostic

Vibration & Rumble Tester

Test heavy and light vibration motors on PS5 DualSense, Xbox, and Switch controllers. Free browser tool to pulse haptic rumble actuators.

Connect a gamepad supporting vibration actuators...
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Heavy Rumble Motor (Left)

Tests low-frequency heavy rumble weight motor typically used for explosions & impacts.

100%

Light Rumble Motor (Right)

Tests high-frequency light rumble motor used for subtle textures, gunshots & engine revs.

100%

Dual Motor Haptic Sweep

Sweeps both motors simultaneously from 0% to 100% power over 2 seconds.

Haptic Motor Diagnostics

Both left and right grips should produce distinct vibration feedback. If one motor fails to pulse or produces a rattling sound, the internal eccentric weight offset may be loose or disconnected from the main PCB.

How to Get Started

Just three steps to run a complete controller test and understand your controller's health status.

01

Connect Controller

Connect your controller to your computer via USB cable or Bluetooth. If the browser doesn't respond, press any button on the controller to activate the connection.

02

Button Detection

Press each button in the visual interface and confirm the corresponding area lights up on screen. This helps troubleshoot unresponsive or double-clicking buttons.

03

Sticks & Vibration

Rotate the sticks to check linearity and drift issues; click the vibration test button to feel if the left and right motor feedback is working properly.

What would you like to do next?

Select a diagnostic calibration suite, deadzone analyzer, or high-frequency overclock tool.

Fix

Repair & Calibration

Calibrate zero-point offsets or follow step-by-step repair guides.

WebHID Calibration
Optimize

Game Deadzones

Calculate exact radial vs axial deadzone overlays for Fortnite, Apex, & COD.

Deadzone Calculator
Telemetry

Overclock & Circularity

Verify true hardware polling Hz stability and statistical circularity grades.

Hz & Circularity Tools

Run full diagnostic checkup

Combine rumble testing with stick drift and button matrix diagnostics.

Run Full Wizard

Related Diagnostic Tools

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Button Tester

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Trigger Tester

Analog L2/R2 pressure curve analyzer.

Polling Rate Checker

Measure input rate in Hz.
Play & Practice

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Understanding Controller Haptic Vibration Technology

Vibration feedback is essential for modern gaming immersion, providing tactile cues for weapon recoil, vehicle engine revs, and environmental feedback.

Types of Controller Haptic Actuators

  • ERM Motors (Eccentric Rotating Mass): Asymmetrical weights attached to small DC motors in the grips (found in Xbox Controllers and DualShock 4).
  • Linear Resonant Actuators (LRA): Voice-coil based haptic actuators providing wide-frequency haptics (found in Nintendo Switch HD Rumble & DualSense).

Frequently Asked Questions

Everything you need to know about testing your controller.

Why does my controller not vibrate during the web test?

Web Gamepad API vibration is supported in Google Chrome, Microsoft Edge, and Opera on Windows and macOS. Ensure rumble is enabled in your system Bluetooth or OS device settings.

What is the difference between heavy and light rumble motors?

Most gamepads contain two distinct eccentric rotating mass (ERM) motors. The left grip houses a heavy weight motor for low-frequency impacts (explosions), while the right grip houses a light weight motor for high-frequency haptic cues (gunshots).

Can vibration testing damage my controller battery or motors?

No. The test triggers standard motor pulses identical to normal gameplay feedback.

How this test works & its limits
  • This test reads your controller through the browser's standard Gamepad API — no drivers, no installs, nothing leaves your device.
  • Readings depend on connection mode: Bluetooth reports at lower rates than USB. Compare like-for-like (wired vs wired).
  • We measure the input reaching the browser — display lag and game-engine queues are outside this test's view.
  • A clean reading now does not guarantee no drift in-game: deadzones differ per game, and wear develops over time. Use the Drift Timeline to track yours.
  • This is a diagnostic, not a hardware-lab certification. For repair or RMA decisions, confirm with a second run or second tool.
Read the full methodology
100% Client-Side

All Gamepad API data stays in your browser. Zero tracking or data collection.

Instant Results

No downloads, plugins, or software installation needed. Works instantly.

Free Forever

No paywalls, subscription requirements, or hidden usage limits.