PlayPianoOnline piano
Hold a few keys and it tells you the chord.
The short answer
A free online piano that names the chord you hold. Play it with touch, a mouse or your computer keyboard, and it shows the chord, its notes and its inversion.
Hold a few keys
Tap, click or use your computer keyboard.
The piano needs JavaScript to play.
Turn off silent mode to hear it.
Play it from your computer keyboard
- A S D F G H J K play the white keys, from C.
- W E T Y U play the black keys between them.
- Z moves down an octave and X moves up. A MIDI keyboard works in desktop Chrome and Edge.
Questions
How does the piano name a chord?
Hold three different notes that make a major or minor triad, in any order or octave, and it shows the root, the type and the inversion, for example D flat major, first inversion. Any other group of notes shows only the note names, never a guess.
Which computer keys play the piano?
The keys A to K play the white keys and W, E, T, Y and U play the black keys, starting from C. Z moves the piano down an octave and X moves it up. A MIDI keyboard also works in desktop Chrome and Edge.
Practise chords with feedback in PlayPiano, a piano practice app for iPhone and iPad.
Play it in the app