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Explore chords, scales, and harmony. Choose a tool below to identify a chord, find the key of a melody, analyse and play a song chart, or practise triad inversions.

Chord Dictionary

Chord Dictionary with a guitar fretboard, selected notes, chord names, inversion controls, and volume adjustment.

Identify chords by selecting notes on a guitar fretboard, four-octave piano, or note staff. Explore alternative names and inversions, then listen to your chord.

Open Chord Dictionary

What Scale is it

What Scale is it with chromatic note buttons and a list of matching scales.

Insert three or more notes to trigger a search for matching scales to the notes. Good tool to find the key of a melody.

Open What Scale is it

Songbook

Songbook displaying a chord chart with colour-coded key analysis and song playback controls.

Songbook can store songs that the user inputs. It analyses the chord changes and tries to find the correct key. It also allows for a simpler analysis by only analysing triads.

Open Songbook

Scale Dictionary

Scale Dictionary showing scale notes on a horizontal guitar fretboard with scale selection and playback controls.

Explore 130 scales on a horizontal 22-fret guitar neck or four-octave piano. Select a root, view notes and intervals, and hear one to four octaves stepwise or with degree skips.

Open Scale Dictionary

Triad Exercise

Triad Exercise showing guitar triad inversions, string groups, chord progressions and looping playback controls.

Practise major, minor, augmented, diminished, sus4 and sus2 triads. Loop inversions on guitar or piano, rotate chord changes, and save your own exercises.

Open Triad Exercise