Analog stick diagnostics

Stick Drift Test

Release both sticks and this stick drift test will show live center offset, deadzone guidance, and drift severity for each analog stick.

Stick Drift Analyzer

Center position, deadzone suggestion, and motion trail update live.

No Controller Detected

Connect via USB or Bluetooth, then press any controller button to activate detection.

Left stick center

X +0.000 Y +0.000

Right stick center

X +0.000 Y +0.000

Left stick drift

0.0%

Stable

Right stick drift

0.0%

Stable

Suggested deadzone

0.05

Use the smallest game deadzone that keeps idle aim still.

Embed This Tool

Use this iframe code to place this exact diagnostic widget on another page.

Stick drift widget

Embed the drift analyzer for idle offset, deadzone guidance, and stick trails.

https://gamepadtesteronline.org/embed/stick-drift-test/

<iframe src="https://gamepadtesteronline.org/embed/stick-drift-test/" title="Stick drift widget" width="100%" height="540" loading="lazy"></iframe>

What A Stick Drift Test Measures

A stick drift test measures what the browser sees when your thumb is not touching the stick. Ideally, both analog axes return close to zero. In practice, every joystick has some electrical noise, spring tolerance, and firmware smoothing. This stick drift test separates small normal movement from a stable offset that can cause camera drift, menu scrolling, or slow character movement.

The visual scope is more useful than a single number because drift has shape. A dot that sits slightly off center but remains stable may be handled with a small deadzone. A dot that wanders, spikes, or keeps moving after release is more suspicious. The joystick drift test keeps a trail so you can see whether the center position settles or continues to crawl.

The severity label is intentionally practical. Browser values are not a factory calibration report, and a controller drift test cannot inspect the physical sensor. It can show the magnitude of the idle offset, suggest a conservative deadzone, and help you decide whether to clean the stick, recalibrate in supported software, adjust game settings, or consider repair.

How To Run The Test Reliably

Place the controller on a steady surface, release both sticks, and wait a few seconds before judging the stick drift test. Avoid touching the stick caps while reading center values. If the offset is large, rotate each stick fully once, let it return naturally, and compare the new center. A repeatable result matters more than a single frame.

Run the joystick drift test over the connection you actually use in games, then compare another connection if possible. Bluetooth noise, low battery, adapters, and operating-system drivers can change what the browser receives. If the controller drift test shows drift only in one mode, investigate that mode before assuming permanent hardware damage.

Use the suggested deadzone as a starting point, not a universal setting. A shooter may need a tighter deadzone than a racing game, and a worn stick may require a larger value to stay still. If the stick drift test reports a very high offset, adding deadzone can hide symptoms but may also remove fine aim control.

Interpreting Results And Next Actions

Stable values under roughly eight percent of full range are often manageable, but the best threshold depends on the game. If the stick drift test marks a stick as watch-level, compare the in-game deadzone and sensitivity. If the page marks likely drift, run the circularity test to see whether the outer range is also uneven.

A controller can drift on one axis, both axes, or only after physical movement. The joystick drift test shows left and right sticks independently so you can identify whether the problem affects movement, camera, menus, or aim. If only one stick is noisy, cleaning or replacing that module may be more sensible than changing every game setting.

For PlayStation-style controllers, the calibration page can organize center checks and optional HID permission. For generic controllers, firmware utilities from the controller maker may offer recalibration. This controller drift test gives the evidence you need before taking that next step.

Diagnostic Glossary

Idle offset

The stick value reported when the stick should be resting at center.

Deadzone suggestion

A practical value that may hide idle drift without removing too much fine control.

Jitter

Small rapid movement in reported values, often seen as a shaking live dot.

Questions Users Ask

Short answers for common diagnostic decisions on this page.

What counts as bad stick drift?

A repeatable idle offset that causes movement in games is bad. The page labels higher magnitudes so you can compare against your game's deadzone.

Should I run the test with USB or Bluetooth?

Run both if possible. USB is a good baseline, while Bluetooth shows the mode many players actually use.

Can this stick drift test repair my controller?

No. It measures symptoms and suggests next actions such as deadzone adjustment, cleaning, calibration, or repair.

Useful Next Checks

Measure circularity error

Trace the stick gate to find uneven travel or square clipping.

Review calibration

Estimate center offset, range behavior, and practical deadzone choices.

Inspect button mapping

Confirm indexes, labels, analog values, and unusual layouts.

Read troubleshooting paths

Fix detection, Bluetooth, permission, browser, and mobile issues.