inputprobe

inputprobe is a browser-based input device testing toolkit for checking mouse, keyboard, and gamepad performance. It provides practical measurement tools for mouse DPI, polling rate, button functionality, double-click faults, clicks per second, keyboard input, eDPI, controller buttons, analog sticks, triggers, and stick drift.

Each test displays live input data and explains how results are measured. The toolkit can identify inconsistent mouse clicks, verify side buttons and key registration, measure actual mouse report rates, compare DPI across passes, and evaluate controller stick position and full-range movement. Its measurement-focused approach includes clear results, rollover tracking, held-state detection, and safeguards against unreliable or insufficient data.

inputprobe runs locally in the web browser, with no account required and no input data uploaded. It is suitable for troubleshooting peripherals, checking gaming equipment, validating device performance, and understanding how mouse, keyboard, and controller inputs are processed.

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