OpenControllerCalibrator 100% Free & Local

Controller Calibrator

Calibrate your DualSense — free, offline, no account

Measure stick behavior and tune a local browser visualization. Deadzone, anti-deadzone, response curves, and restore points stay on this device—nothing is uploaded or written to your controller.

✓ LocalDeadzone ToolsPer-stick visualization with inner deadzone + response curve.
✓ LocalAnti-DeadzonesPreview light movement past a game's built-in deadzone.
✓ LocalBackup & RestoreExport/import browser-only profiles as JSON or share codes.
✓ SafeRead-onlyThis release does not write controller NVS settings.
Idle
No controller selected
Plug in a DualSense and choose it once for browser access — or start Demo mode.

Drift & Circularity

Measure resting center offset and capture an optional local circularity profile. These tools affect this page’s blue preview only; they do not change controller or game input.

Detect Rest Rotate Save
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Left ring
Right ring

Response Tuning

Deadzone quiets small unwanted movement. Anti-deadzone previews movement past a game's built-in deadzone in this page only; it does not alter OS or game input.

Left stick output 0.0%
Right stick output 0.0%

Quick presets

Live Controller

Exact DualSense art from daidr/dualsense-tester (MIT). Every button, stick and trigger lights up in real time — DualSense (WebHID) or any gamepad (Gamepad API).

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Local Browser Profile · affects this page’s visualization only