Emit high-frequency tones for testing or experimentation
Play high-frequency tones to test speaker performance or experiment with audio effects. Use specific sound patterns to assist with ejection. Adjust frequency settings and monitor output levels.
Displays , Unicode values, and modifier key states for any key combination. Helps developers debug input handling and keyboard events. Supports real-time tracking of key presses and release states.
Displays musical chords for each key using Roman numerals. Audibly plays chords for practice. Shows chord positions on a keyboard layout. Helps users learn and identify chords visually and audibly.
