Chord transposer and capo calculator
Paste chords — a progression or a whole chart with lyrics under it — and move them to a key that suits your singer. Lyric lines are left alone, and the chords keep their place above the words.
Key: —
Capo calculator
Want the song to sound in one key but play easy open shapes? Pick the key it should sound in.
How the transposer reads your chart
A line counts as a chord line when most of what is on it are chord names (G, D/F#, Em7, Cadd9, Bbsus4, F#m7b5…). Those chords move; every other line — lyrics, section names, notes — is left exactly as you typed it. Bar lines like | G | D | are fine.
Moving up 12 half steps lands back on the same key, so the transposer stops at 11 either way. Sharps or flats are picked from the new key (F, B♭, E♭, A♭ and D♭ get flats) unless you choose one.
How many half steps?
Two half steps is one whole step: G to A, or C to D. A singer who strains on the high notes usually wants the song one or two half steps lower; three or more changes the character of the song, so try it with the band before you commit.
Write it with the whole band
Cobander is free songwriting and recording software that keeps your band on the same song: everyone records and writes from their own computer through the folder you already share, with chords, lyrics and structure on one timeline — and the band levels up as you go.
Free — the whole app, every song, forever. Windows and Mac. More about Cobander.
Questions
Does it change the lyrics?
No. Only lines made mostly of chord names are changed.
Which chords does it understand?
Any root A–G with sharps or flats, plus minor, 7, maj7, sus, add, dim, aug, power chords (5) and slash chords like D/F#.
How does the capo calculator work?
It lists the open-shape keys (C, G, D, A, E, or Am, Em, Dm) that reach the key you want with a capo at fret 7 or lower.