Chord Transposer (Transpose Chords and Chord Sheets)
Transpose chords or a whole chord sheet up or down, or from one key to another. Keeps chords aligned over lyrics, reads ChordPro and suggests a capo.
Only lines made entirely of chords (plus bar lines, repeat marks or labels such as "Intro:") are changed, so lyrics are never altered. Chord types (m7, sus4, add9, 7♭9 …) are kept exactly as written.
Change the key of a song in seconds. Paste a chord sheet with the chords above the lyrics, ChordPro text with chords in brackets, or just a list of chords, then move it up or down by semitones or from one key to another. The chords stay lined up over the right words, sharps or flats follow the new key, and a capo position is suggested for guitarists who want easy open shapes.
How to use this tool
- Paste the chords or the whole chord sheet into the box.
- Choose how many semitones to move, or the original and the new key.
- Leave sharps and flats on "Follow the new key" for correct spelling.
- Copy the transposed sheet, and try the capo suggestion if you play guitar.
Formula
New root = old root + semitones (mod 12) · spelled by its degree in the new key
Only lines made of chords (and bar lines, repeat marks or labels such as "Intro:") are changed; lyric lines are left exactly as they are. ChordPro chords like [Am7] are transposed wherever they appear, and a {key: …} line is updated too. Each root and slash bass is moved by the same number of semitones and spelled by its scale degree in the new key, so the ♭7 chord of D major is C and its ♭6 is B♭, not A♯. Without a chosen key, the first chord of the sheet is taken as the key. The capo suggestion checks frets 0–7 for the position where most chords become open shapes such as C, G, D, A, E, Am, Em and Dm.
Example
A song with C G Am F moved up 2 semitones becomes D A Bm G. Moved up 3 instead, it becomes E♭ B♭ Cm A♭; on guitar you can keep playing the C G Am F shapes with a capo at the 3rd fret. A slash chord such as B♭/D up 2 becomes C/E.
Frequently asked questions
How many semitones should I move to suit my voice?
If the song is too high, try −2 or −3; if it is too low, +2 or +3. Twelve semitones is a whole octave, which keeps the key name the same.
Why does it write B♭ and not A♯?
Chords are spelled to match the new key: in F, B♭ and E♭ keys flats are used, in G, D, A and E keys sharps, as musicians expect. You can force sharps or flats if you prefer.
Will it change my lyrics?
No. A line is treated as chords only when every word on it is a chord, a bar line or a section label. A lyric line that happens to start with "A" is left alone.
What does the capo suggestion mean?
With a capo on the suggested fret you play the listed shapes, and the guitar sounds in the new key. Fret 0 means the new chords are already easy to play without one.
Last updated:
Page address with these inputs: https://kakao.mobile/tools/chord-transposer-tool/
Cite or embed this tool
kakaoCalc. (2026, November 8). Chord Transposer (Transpose Chords and Chord Sheets). https://kakao.mobile/tools/chord-transposer-tool/
“Chord Transposer (Transpose Chords and Chord Sheets).” kakaoCalc, 8 Nov. 2026, kakao.mobile/tools/chord-transposer-tool/.
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