Free music tools

Small, honest tools running SongSheet’s real music-theory engine, right in your browser. No account, no ads.

Chord transposer

Paste a chart, pick the new key, copy the result. Lyrics stay put; every chord re-spells the way the new key writes it.

Chords by key

The seven chords of every key, their roles, and the progressions built from them.

C major Db major D major Eb major E major F major F# major G major Ab major A major Bb major B major A minor Bb minor B minor C minor C# minor D minor Eb minor E minor F minor F# minor G minor G# minor