Chord Finder
Enter two to five notes and discover matching chord names ranked by likelihood, with optional bass note filtering.
How to Identify a Chord by Ear or Notes
Enter the notes you hear or see on sheet music and this chord finder suggests matching chord names. Start with at least three notes for triads, or add a fourth note for seventh chords.
Reading Chord Symbols
Chord names combine a root letter (C, D♭, F♯) with a quality suffix. Examples: Cmaj (major), Am (minor), G7 (dominant seventh), Dsus4 (suspended fourth).
Optional bass filtering narrows results when you know the chord root. Remove the bass filter if no match appears.
Related tools: Chord Calculator, Chord Inversion Calculator, and Tone Generator.
Frequently Asked Questions
How many notes do I need to identify a chord?
At least two notes can suggest a chord, but three or more notes give much more accurate results for triads and sevenths.
What chord is A, C, E, G?
Those notes most often spell Am7 (A minor seventh). They can also appear as C6/A depending on harmonic context.
Why are multiple chord names listed?
Different chord symbols can share the same pitch set. The top match is the most common interpretation; alternates cover slash chords and less usual spellings.
Should I set the bass note?
Set it when you know the chord root from the bass line. Leave it blank when analyzing stacked harmonies or piano voicings without a clear bass.
Does note order matter?
No. Chord detection treats the input as a pitch set, so inversions and reorderings do not change the suggested chord names.
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