Chord Transposer & Capo Calculator
Paste your own chord chart, move its key and see the shapes to play with a capo.
How to transpose a chord chart
Paste a chord chart with chord-only lines or bracketed chords such as [Am] above or inside lyrics. Use the semitone controls to move the sounding chords up or down. Select a capo fret to see the chord shapes you should finger: each shape is lowered by the number of frets under the capo. The result updates locally as you type. Check ambiguous text and unusual chord symbols by ear; this tool does not analyze recordings or infer keys from lyrics.
Transposition, capo and chord spelling explained
A semitone changes the sounding pitch
Transposition moves every recognized chord root the same musical distance. Moving C up two semitones gives D; moving Am up two gives Bm. The quality stays the same: a minor chord remains minor, and a seventh stays a seventh. This tool uses the chord notation supplied in your text rather than guessing the melody. Raising a chart three semitones can make it easier for a singer, but only the singer can tell whether the melody now fits. A chord chart alone cannot tell you the original vocal range.
Why use a capo?
A capo presses all strings at a chosen fret. Each fret raises the sounding pitch by one semitone relative to the shape you finger. Put a capo on fret two and finger a C shape: the sound is D. If you want a song to sound in D while using the familiar C shape, leave the sounding chart in D and choose capo two; the displayed shape should be C. If you instead transpose the chart from C to D and also play D with capo two, the sound becomes E. Distinguish the target sounding chord from the hand shape to avoid counting the capo twice.
Work through a whole progression
Suppose a chart contains C, F, G and Am. Raise the sounding arrangement by two semitones: it becomes D, G, A and Bm. With a capo at fret two, the corresponding fingered shapes are C, F, G and Am again. The singer hears a whole-step lift while the guitarist keeps the old fingerings. If the new sounding key is too high, try moving down instead; a capo only raises the pitch of a given fingering and cannot physically lower open strings. For lower pitches without hard shapes, you may need different shapes or an alternate instrument tuning.
Preserve the information in the chord
Chord suffixes matter. Cmaj7, C7 and Cm7 describe different harmonies, even though they share a root letter. When you transpose, preserve the suffix rather than turning everything into major triads. Slash chords carry a bass note too: C/E means a C chord with E in the bass. The tool transposes both the chord root and a recognized slash bass note using the existing chord utility; inspect unusual symbols manually if your arrangement depends on their exact pitch. Music notation can mix flats and sharps for the same pitch. The tool follows its existing note-spelling conventions, not an automatic musicological analysis of the key.
Keep lyrics aligned and respect boundaries
Bracketed chord markers such as [C] and [Am] can sit within a lyric line. Plain chord-only lines can also be transformed without changing a following lyric line. Normal prose is not a chord chart: words like A and Am can be both musical tokens and language. Separate chords into their own line or place them in brackets for the clearest results. The tool does not move characters to re-typeset your chart, and different chord name lengths can alter spacing. Review the chart on a narrow screen and edit its alignment before printing or sharing.
Find a comfortable set of shapes
If a transposed progression is full of barre chords, try nearby capo settings and compare the displayed shapes. A capo is a choice of fingering, not a guarantee that every chord becomes easy. The open shapes C, G, D, A, E, Am, Em and Dm can be useful starting points, but what is comfortable depends on your hand and the song's transitions. Avoid choosing a fret solely by the number of familiar chord names; listen to the voicing and check whether your instrument has enough playable frets left.
Use the result in practice
Start with a short chart whose chords you already know. Change the transposition by one semitone and verify a few roots on your instrument. If you add a capo, check the sounding pitch against a reference or another player, not only the shape labels. Tune your guitar before and after moving the capo, then set a slow pulse with the metronome. Browse beginner guitar lessons or find songs in the library to try the idea in context. Pasted text remains in this browser session; the tool does not require an account, process a song play or save a transcription.
Transposer questions
Does a capo change the key of a song?
A capo raises the sound of a fixed fingered shape by one semitone per fret. The tool separates the target sounding chords from the shapes to finger.
How do I transpose from C to D?
Move the chart up two semitones. C becomes D, F becomes G, G becomes A and Am becomes Bm.
Can I paste lyrics with chords?
Yes. Put chords in square brackets within lyrics or on separate chord-only lines. Ordinary lyric words are left alone.
Does this tool upload my chart?
No. Transposition happens in the browser. Avoid pasting copyrighted material unless you have permission to use it.