See what responds
Device tests
See the keyboard, mouse and controller input your browser receives, play a speaker tone or inspect your screen with solid colors.
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Search by tool or task. Use ↓ to choose, Enter to open.
Even eight arms couldn’t find that.
Try a shorter name, like “text”, “color” or “code”.
- Keyboard testerSee key presses, releases and the codes this browser receives.
- Gamepad testerInspect connected gamepad buttons, axes and dead-zone behavior.
- Mouse testerSee mouse buttons, holds, wheel movement and double-click events.
- Audio testerPlay a short left, right or stereo signal with a visible Stop control.
- Dead pixel testFill the screen with solid colors to inspect pixels.
