Capo Transposer (Free, Interactive Capo Chart for Guitar)
Free interactive capo chart. Pick a song's key, slide the capo, and see the easy chord shapes you can play instead. Transposes full progressions on the fly.
Pick the song’s key from the top selector. Click any fret to set the capo. The big readout shows the chord shapes you’ll actually finger, and the green cells flag the easy beginner shapes (C, G, D, A, E). Drop a chord progression into the bottom box and it transposes on every keystroke.
Why a capo helps
A capo clamps across all six strings at one fret. The strings sound higher, but the chord shapes you finger are the same as if the nut were at that fret. So a song in Bb (which uses flat-heavy barre chords) becomes a song in G shapes if you put the capo at fret 3. Same pitch, easier hand.
This is how most singer-songwriter players approach hard keys. Listen carefully to a James Bay or Ed Sheeran track and you’ll hear open shapes ringing out from somewhere up the neck. The capo is doing the lifting.
Two ways to use this tool
Most people land here with one of two questions.
“This song is in a key I can’t play. Where should I put the capo?” Pick the song’s key. Look down the strip. Find the first green cell. That’s your fret. Bb with capo at 3 lands you in G. Bb with capo at 1 also works, with A shapes. Both are easy; pick the one that sits best for your voice.
“I want to sing this song lower or higher.” Type the original chords into the box. Move the capo up to raise the song, or change the song’s key in the dropdown to drop it. Sliding the capo from 0 to 5 raises the pitch five semitones. Most singers find a comfortable spot inside three or four frets either way.
Quick reference: capo positions for hard keys
For a song in:
- F: capo 1 → E shapes. Capo 5 → C shapes.
- Bb: capo 1 → A shapes. Capo 3 → G shapes.
- Eb: capo 3 → C shapes. Capo 6 → A shapes.
- Ab: capo 1 → G shapes. Capo 4 → E shapes.
- Db: capo 1 → C shapes. Capo 4 → A shapes.
Flat keys are where a capo earns its keep. The natural keys with open shapes (G, D, A, E) usually don’t need one.
Capo gear matters more than people think
Spring capos are quick but they pull the B and high E strings sharp, because the spring puts more pressure than the strings need. A lever capo with a tension screw lets you dial in just enough force, so the guitar stays in tune and the chords ring cleanly. If you’re going to own one capo for a long time, get the lever kind.
Where this fits
Once you’ve found a capo position, you still need the open shapes to play. Our chord library has the diagrams for every shape this tool will land on. If open chords are still new, the first chords guide covers the five that unlock most beginner songs in any capo position.
FAQ
- What's the difference between a capo and a barre chord?
- Both raise pitch, but a barre uses your index finger across the strings, which is hard for beginners. A capo does the same job mechanically and frees your fretting hand to play open shapes. Most beginners find a Bb song much easier with a capo at fret 3 (G shapes) than with a barre B-flat chord.
- Will a capo throw off my tuning?
- A little. Spring-loaded capos pull the B and high E sharp because they clamp with too much force. Lever capos with a tension screw avoid most of this. Either way, retune at the capo position before playing, not before applying it.
- Can I use a capo on an electric guitar?
- Yes. The math is identical. Electric necks are usually narrower than acoustic, so check that the capo fits without overhanging the fretboard. Some pedalboard players also transpose with a pitch-shifter pedal, but that's a different tool with different tradeoffs.
- How high up the neck can I put a capo?
- On a standard acoustic, capo positions 1 through 7 are the practical range. Above fret 7 the strings between the capo and the bridge are short, and the tone gets thin. The tool lets you pick any fret from 0 to 11 because some songs do call for fret 8 or 9, but those positions are unusual.