Chord Finder - Explore Any Chord on Piano
Find any chord instantly - major, minor, seventh, diminished, and more. See the notes, hear the sound, and understand the music theory behind every chord. Free, no account required.
How to Use Chord Knowledge in Practice
Knowing a chord is not the same as being able to play it fluently in context. This tool helps you identify and visualize chord shapes. Here is how to turn that knowledge into usable technique.
For guitar students: Learn each chord in multiple positions on the neck, not just the open position. A G major chord in open position and a G major chord at the third fret as a barre chord are the same harmony, but knowing both gives you options when the music requires you to stay in one area of the neck. Use this tool to find the second and third position options for every chord you already know in first position.
For piano students: Learn chords in root position, first inversion, and second inversion. Chord inversions keep the voice leading smooth when chords change, which is why keyboard harmony sounds connected rather than jumping around. Use this tool to identify the inversion options for the chords in whatever you are currently working on.
For all students: When you encounter a chord progression in a piece, identify the chords by name before you play them. A I-IV-V progression in G major always has the same harmonic logic regardless of the instrument or the style. Understanding the pattern makes the progression easier to memorize and easier to transpose.
What is a Chord?
A chord is three or more notes played simultaneously. Chords form the harmonic foundation of music - the "background" that melodies sit on top of. Understanding chords helps you read lead sheets, accompany other musicians, write songs, and improvise more musically.
The Most Important Chords to Learn First
Major chords sound happy and stable. Minor chords sound sad or introspective. These two chord types form the basis of virtually all popular music. Once you're comfortable with those, explore 7th chords - they add color and sophistication, and are essential for jazz, blues, and R&B.
Chord Theory Basics
Every chord is built by stacking intervals above a root note. A major chord stacks a major 3rd (4 semitones) and then a minor 3rd (3 semitones) on top. A minor chord reverses this - minor 3rd first, then major 3rd. This simple principle generates all the chord types you see above.
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