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ChordBox

Press a chord. Hear a chord. ⌨ Shortcuts Modifiers CTRLSustain on/off Q1st inversion MMinor 4Sus4 7or S = 7th 9Add9 AAugmented DDiminished SPACEStop CTRL+SHIFT+DDiagnostics Keypad /♭ *♯ 7B 8— 9— 4F 5G 6A 1C 2D 3E / = lower chord by one semitone (e.g. 6 + / = A♭)
* = raise chord by one semitone (e.g. 4 + * + M = F♯m)
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Last modified: September 16, 2026
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