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Diagnostic

Xbox Controller Tester

Diagnose Xbox Series X|S and Xbox One controllers for input lag, stick drift, and faulty buttons. Fast, free, and accurate.

Xbox Controller Suite
Press any button to connect
POLLING: 0 Hz | LATENCY: 0.0 ms
LB RB L3 R3 Y B A X
Button Pressed
Rest / Default
Analog Sticks & Drift Linearity, Offset & Circularity
L-STICK R-STICK
X: 0.000 Y: 0.000
X: 0.000 Y: 0.000
Analog Triggers (L2 / R2) Pressure Curve (0.000 – 1.000)
LT / L2
0.000
RT / R2
0.000
Raw Gamepad API Data 0-17 Buttons & Active Axes
ANALOG AXES (0 - 3) Bipolar [-1.00 to +1.00]
0
+0.00
1
+0.00
2
+0.00
3
+0.00
Connect a controller or press any button to inspect live Gamepad API telemetry.

Haptic Vibration Test

Dual Rumble Actuators
Awaiting Command

Tests dual-rumble actuators (Left Heavy & Right Light) via browser Vibration API.

Custom Intensity 70%

Diagnostics Results

Hardware variance and drift severity classification scale.

Grade A · 0.0% – 2.0%

Healthy Centering & Precision

Normal factory variance. Controller stick operates with precision zero-point accuracy and zero resting drift offset. Hardware is in perfect condition.

Optimize Deadzones

Buttons & Vibration

Test all button responses and verify ABXY layout mapping. Dual motor vibration testing with independent left/right motor control. Check your force feedback system health and detect sticky triggers or failing microswitches.

Run Full Diagnostic
Grade B

Polling Rate & Latency

Measure your controller's actual polling rate. Compare input latency.

Hz & Circularity Tools
Local & Secure

100% Client-Side

Built on the standard Gamepad API. All processing happens locally in your browser.

Read Methodology

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
Repair Guide

How can I check my Xbox controller for stick drift?

You can check your Xbox controller for stick drift by connecting it to a PC or Mac and using a browser-based gamepad tester. The tool will display the exact axial offset of your analog sticks. Any constant input registering above five percent without touch indicates hardware drift.

Recommended Actions

Start with the Stick Drift Test. A resting offset above 2% is grounds for a warranty claim while the pad is still covered; below that, deadzone tuning usually masks the wear until you are ready to swap modules.

Related Diagnostic Tools

📳

Xbox Impulse Triggers

Test the 4 independent rumble motors in your Xbox gamepad.
🕹️

Analog Trigger Curves

Check the Hall-effect LT/RT magnetic sensor linearity.
⚫

Deadzone Calculator

Calculate perfect deadzones for Halo, CoD, and Apex.

Advanced Xbox Controller Diagnostics

The Xbox Series X|S and Elite Series 2 pads handle well, but their sticks are the same ALPS potentiometers as everyone else's — and those wear. Wear shows up as stick drift: the controller reports movement while the thumbstick sits centered. Plug your controller in, and this tool reads the raw Gamepad API axes to give you a 0.1%-precision resting offset in under a minute.

Testing Impulse Triggers and Face Buttons

Xbox pads are unique for their "Impulse Triggers": independent rumble motors tucked inside the LT and RT triggers. Use the haptic test to confirm that the two grip motors and both trigger motors fire, and the trigger test to map the analog pressure curve from 0.0 to 1.0 for linear actuation with no dead spots.

Xbox Elite Series 2 Polling Rate Analysis

Elite Series 2 players should hold a consistent polling rate: input latency depends on it. Standard Xbox controllers poll at 125Hz (8ms) over Bluetooth, and wired connections behave differently. The Hz tracker monitors your USB or Bluetooth report frequency and flags dropped packets or jitter.

Frequently Asked Questions

Everything you need to know about testing your controller.

Why is my Xbox controller drifting?

Xbox controller drift is typically caused by debris accumulating inside the joystick module or normal wear of the potentiometer sensor components after prolonged use.

Can Xbox stick drift be fixed without taking it apart?

Sometimes compressed air or contact cleaner can temporarily dislodge debris causing drift, but severe cases require soldering a new joystick module.

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.