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When connected, this tool displays the current state of your gamepads, inputs, joysticks, and anything else that can be reported by the HTML5 Gamepad Api. This is also useful for debugging drifting joycons, broken controllers, experimental hardware, and more.
Displays info about all gamepads connected to your computer. Check buttons, joystick axes, drift, and more. Works with all controllers and joysticks in a modern browser.
This is a midi keyboard tester. It shows you which keys are pressed, and the midi events that are being sent by your keyboard. It's useful for debugging keyboards, or for learning about the midi protocol.
It will also detect what your current monitor resolution, color depth, and FPS are. GPU. A device for drawing images to the screen of a computer. Stands for "Graphics Processing Unit". Also referred to as a "Graphics Card" or "Video Card." Resolution. The size of your current monitor in pixels. Color Depth.
Some things, like right and left triggers on an xbox controller, are reported as buttons, with a floating point `value`s. Recently, vibration support has been added in Chrome, which can be called like this on xbox and ps4 controllers (at least).
Quickly check if your microphone is working, or diagnose possible problems with your audio hardware. It shows a realtime spectrum of frequencies, and a spectrogram of the frequencies over time. If you don't see anything, try refreshing the page or going into your browser settings to grant access to your microphone.
Product + vendor codes. Number of axes reported. Number of buttons reported. Time series data (how often devices are reported) Browser and OS versions. No personally identifying user data is collected. Do Not Sell or Share My Personal Information. Using the HTML5 gamepad api in your own apps.
This is also useful for debugging drifting joycons, broken controllers, experimental hardware, and more. Are you a developer interested in using the Gamepad API? Check out this quick guide.
We won't sell or share your personal information to inform the ads you see. You may still see interest-based ads if your information is sold or shared by other companies or was sold or shared previously.
