For songwriters & musicians

Song Key Finder

Enter a few chords and we’ll figure out what key your song is in — instantly.

Try:

How to Use Song Key Finder

  1. 01
    Type your chords

    Separate each chord with a comma or space — e.g. G, Em, C, D.

  2. 02
    Hit Analyze

    We compare your chords against all 24 major and minor keys.

  3. 03
    Get your key

    See the most likely key with alternatives and a clear explanation.

Common Chord Progressions

Recognize these patterns? Here’s the key behind some of the most-used chord combinations in modern music.

I–V–vi–IVC, G, Am, F
C Major

The “pop” progression — used in countless hits.

vi–IV–I–VEm, C, G, D
G Major

Emotional pop/rock staple.

ii–V–IDm7, G7, Cmaj7
C Major

The backbone of jazz harmony.

I–vi–IV–VC, Am, F, G
C Major

Classic 50s doo-wop progression.

i–VI–III–VIIAm, F, C, G
A Minor

Dark, cinematic minor-key journey.