Flagship Calibration

PS5 DualSense Stick Calibration

Calibrate PS5 DualSense and PS4 DualShock 4 analog sticks online via WebHID hardware access. Recalibrate resting center zero-points and Hall-effect sticks free.

Connect PS5 DualSense or PS4 DualShock 4 via USB to enable WebHID calibration...

No WebHID Controller Connected

STEP 1

Connect WebHID Mode

Click below to request direct USB WebHID hardware access to your PlayStation controller.

STEP 2

Center Sticks Zero-Point

Let both analog sticks rest naturally in their resting center position without touching them.

STEP 3

Calibrate Outer Range

Slowly rotate both sticks in 3 full 360-degree circles along outer boundary edges.

CALIBRATION STATUS

Ready for Connection

Firmware-level calibration eliminates persistent stick drift without modifying in-game deadzones.

WebHID Hardware Calibration Protocol

Follow the hardware connection requirements below to ensure successful EEPROM communication:

Direct USB Connection

Must connect via high-speed USB data cable. Bluetooth connections do not expose raw HID vendor feature report pipelines.

Chromium Browser Required

WebHID API is supported in Google Chrome, Microsoft Edge, Brave, and Opera. (Firefox and Safari do not support WebHID).

Hands-Off Sampling

Do not touch or tilt analog sticks during the 3-second sampling window to ensure an accurate neutral electrical baseline.

How to Get Started

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

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.

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.

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 browser-observed update timing Hz stability and statistical circularity grades.

Hz & Circularity Tools

Hardware-Level WebHID PlayStation Controller Calibration

Traditional deadzone tuning in game menus merely applies software filters that mask stick drift while sacrificing fine micro-aim control.

Our WebHID Zero-Point Calibrator communicates directly with the internal microcontroller of your Sony PlayStation 5 DualSense (BDM-010 through BDM-040) or PlayStation 4 DualShock 4 over USB, reading raw 16-bit analog-to-digital converter (ADC) voltages and writing persistent center offset values into hardware memory.

Why Calibrating Replacement Hall-Effect Joysticks Is Essential

When soldering electromagnetic Hall-effect joystick modules (GuliKit, K-Silver, or Favor Union) into a controller PCB, the resting magnetic field rarely aligns perfectly with factory zero-points. Without hardware recalibration, the controller will report 5% to 15% resting drift even though the sensors are brand new.

Old Solution: Soldering secondary calibration flex PCBs with manual potentiometer screw adjusters.
WebHID Digital Solution: Sampling raw resting sensor voltages in the browser and updating the microcontroller’s internal zero-point lookup table digitally in 5 seconds.

Supported Hardware & Open-Source Community Tools

This tool supports official Sony PlayStation 4 DualShock 4 and PlayStation 5 DualSense controllers connected via direct USB in Chromium browsers.

For advanced four-step range calibration on DualSense Edge and PS VR2 Sense controllers, we also acknowledge the excellent open-source dualshock-tools utility maintained by the r/consolerepair community.

Controller Hardware Glossary & Tips

Stick Drift & Deadzones

Stick drift occurs when analog sticks register input without being touched. This is typically caused by physical wear in traditional carbon-film potentiometers. A deadzone is a software-level threshold (e.g., 5-10%) applied to ignore these microscopic false inputs.

Hall Effect Sensors

Unlike traditional ALPS potentiometers, Hall Effect modules use magnetic fields to measure stick position. Because there is no physical contact or friction between the internal components, they are virtually immune to wear-induced stick drift, drastically extending the controller's lifespan.

Polling Rate (Hz) & Input Latency

Polling rate is how often your controller sends data to your device, measured in Hertz (Hz). A standard Bluetooth connection yields around 125Hz (8ms latency). Overclocking or using a wired USB connection can push this to 500Hz-1000Hz (1ms-2ms latency), critical for competitive gaming.

Circularity Error

When you rotate a joystick along its outer edge, a perfect module should trace a mathematically perfect circle. Circularity error measures the deviation from this perfect circle. High deviations (>15%) can result in uneven diagonal movement speeds in FPS games.

Frequently Asked Questions

Everything you need to know about testing your controller.

How do I calibrate analog stick zero-points on PS5 DualSense and PS4 controllers?

Connect your PlayStation controller via direct USB-C/micro-USB cable in Google Chrome or Microsoft Edge. Click "Connect via WebHID", select your Wireless Controller from the browser prompt, release both sticks to their neutral center, and click "Sample & Save Center Offset".

What is WebHID hardware controller calibration?

WebHID is a W3C browser standard that communicates directly with low-level Human Interface Device (HID) feature reports. It sends vendor-specific memory read/write commands directly to the PlayStation microcontroller without requiring external software drivers.

Does WebHID calibration fix PS5 stick drift permanently?

Yes. For controllers with minor spring fatigue or newly installed Hall-effect modules, WebHID calibration writes new zero-point coordinate offsets directly into the controller’s persistent memory, permanently restoring dead center (0.00, 0.00).

Does this calibration persist when playing on a PS5 console?

Yes! Because the calibrated zero-point offsets are written directly into the controller’s onboard hardware memory, the calibration remains active when disconnected from PC and plugged into a PlayStation 5 or PlayStation 4 console.

Can I calibrate Hall-effect replacement sticks with this tool?

Yes. After soldering magnetic Hall-effect sticks (such as GuliKit or K-Silver modules) into a DualSense motherboard, the resting center often has a 5–15% offset. This WebHID tool zeros that offset permanently without requiring external PCB potentiometer trim boards.

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.