Online guitar and keyboard chord generator for studying and playing

A guitar diagram represents the neck as viewed from the front. The six vertical lines correspond to the six strings. In the most common reading, the thickest string, the sixth, appears on the left, and the thinnest, the first, on the right. The horizontal lines represent the frets. If the diagram begins beyond the first fret, a number at the side indicates which area of the neck you are viewing. A number 5, for example, tells you that the diagram begins at the fifth fret, not the first.

The symbols are also direct. The number 0 indicates an open string. X indicates that you should not play that string. A dot shows where to press, and the number inside the dot usually indicates the finger: 1 for the index, 2 for the middle, 3 for the ring, and 4 for the pinky. A barre appears as a bar across several strings. Before strumming, play each string separately, from the sixth to the first, and check that they all ring clearly. Do this check in less than 30 seconds before increasing the tempo.

When you consult a chord tool, do not look only at the displayed name. Find the lowest note, see which strings are open, and notice whether any notes are repeated. This explains why two C shapes can have the same name but different tones. A C with the fifth string open sounds different from a C with another bass inversion. To locate each note on the neck, also consult the guide to notes on the guitar neck. If the tuning sounds strange, open the online tuner with your device’s microphone enabled and tune one string at a time.

Try this exercise now: choose C, study the diagram, play the fifth string, and then play the four higher strings. Next, build Am and compare which notes changed. You begin to see the relationship between shapes instead of treating each chord as an isolated drawing.

Open chords use one or more open strings. They require less movement from the left hand and appear in countless pop, rock, country, folk, blues, and worship songs. Start with C, G, D, A, and E. Then add Am, Em, and Dm. With this group, you can already practice hundreds of combinations without relying on barre chords. C, G, Am, and F, for example, form the I–V–vi–IV progression in C major, widely used for chord-change and accompaniment practice.

In C major, check that the first string is open and that the sixth string does not enter the strum. In G major, there are shapes using three or four fingers; choose the one that makes the change to D or Em easier. In D major, play only the four thinnest strings. A and E require attention to finger alignment and to the correct string for beginning the attack. For minor chords, keep your hand relaxed: Am, Em, and Dm should sound full, without strings being accidentally muted.

An efficient routine starts slowly. Play C, G, Am, and F for four beats each, between 60 and 72 BPM. Count “1, 2, 3, 4” and change only on beat one of the next measure. Do 10 cycles. If you miss twice in a row, reduce to 56 BPM and resume the shape without rushing. If F is still difficult, use a simplified version with the four higher strings before trying the full barre. The article on simplified chord charts helps you choose versions suited to your level.

On keyboard, check the same notes on the virtual piano to understand how the chord is distributed without relying on a guitar diagram. Play the root with your left hand and the triad with your right. In C major, try C–E–G; in Am, A–C–E. Then alternate the two chords for four measures and notice which notes remain close together.

A barre works when the index finger presses several strings close to the fret. The result does not depend on squeezing the neck with your whole hand. Place the finger close to the next fret, not in the middle of the fret space, and try turning it slightly toward the thumb side. The side of the index finger usually has less soft tissue and makes it easier for the strings to vibrate. Begin by pressing only the strings required for the shape; do not try to overcome the instrument’s resistance with excessive force.

The thumb stays behind the neck as a point of support, approximately level with the index finger. Avoid raising your shoulder or bending your wrist too much. Build the E major shape and move it to the third fret to produce G major. The A shape is also movable: with the root on the fifth string, you can build different chords along the neck. Choose the right barre by observing the string where the root lies and the type of shape your song requires. The E shape at the fifth fret produces A; the A shape at the seventh fret also produces E, but with a different voice distribution.

Practice in short blocks. Make five attempts of 10 seconds, release your hand, and play each string separately. Then alternate Bm and Em for eight repetitions, from 60 to 68 BPM. Record a 20-second video from the side of the neck to check whether your index finger is too far from the fret and whether your thumb is sliding upward. Sharp pain, tingling, or loss of sensation are not part of practice: stop, rest, and review your posture. A well-built barre improves your access to any guitar chord tool, because you begin recognizing families of shapes instead of memorizing isolated positions.

Try an immediate test with F. Build the barre at the first fret, play only the sixth, second, and first strings, and adjust your index finger until all three ring. Then add the middle strings. Dividing the task into stages often reveals which part of the shape is muting the sound.

A chord progression is an organized sequence of chords. Instead of memorizing only names, think in terms of scale degrees. In C major, I is C, IV is F, V is G, and vi is Am. The I–V–vi–IV progression, represented by C–G–Am–F, creates stability, movement, and return. It appears in many popular arrangements, but the rhythm, tempo, bass, and melody completely change the result. The same progression can support a ballad fingerpicking pattern, a country groove, or a worship accompaniment.

In country music, try I–V–vi–IV with a steady strum, alternating bass notes, and pauses before each change. In G, this gives G–D–Em–C. Play each chord for one measure at 72 BPM, accent beat one, and make the last beat shorter before the change. For repertoire references and recurring shapes, consult the country chord charts and the content about country music. Then try the same progression at 92 BPM and compare how the dynamics change the feel.

In worship music, progressions such as I–V–vi–IV and vi–IV–I–V work well when you let the chord breathe and use keyboard inversions or sustained higher notes. In G, vi–IV–I–V corresponds to Em–C–G–D. Hold each chord for four beats, play the root in the bass, and keep the highest common note whenever possible. This creates continuity without requiring difficult chords.

In pop, rock, blues, and folk, harmony can gain movement through ii–V–I, secondary dominants, and bass lines that lead from one note to another. In C, Dm7–G7–Cmaj7 is a clear foundation for hearing this resolution. A simple progression can also gain personality from the right-hand pattern and the alternation between root and fifth. Use the online chord tool to compare nearby shapes and the piano to test the same progression before taking it to the guitar.

To apply this now, choose a key, write four degrees, and play the progression for five minutes. First use major and minor triads. Then change only one chord to a seventh, such as G to G7 in C major. This way you hear the function of the extension within the progression, rather than only the isolated sound of the chord.

To transpose is to move a song to another key without changing the relationship between the chords. The first step is finding where the voice feels comfortable. Play the original progression and ask the singer to perform the melody in a natural range. If the highest notes feel strained, lower the key. If the lowest notes lose presence, raise it by one or two semitones and test again. Compare 30-second sections, because a key may work in the chorus and fail in the verse.

With open chords, you can change keys by using equivalent shapes or a capo. A capo raises everything by the same distance: at the first fret, C sounds as C sharp; at the second, as D. With barre chords, simply move the shape. A G barre at the third fret produces G sharp, and the same shape at the fifth fret produces A. Always confirm the root and tuning before playing with other people. The capo changes the overall pitch but not the relationship between the shapes you play.

A practical method is to write the progression in degrees. If the song is in C with C–G–Am–F, moving up two semitones takes it to D with D–A–Bm–G. The I–V–vi–IV relationship remains. The online chord chart tool can help confirm each chord name, but your ears decide the final key. Record a 30-second excerpt and check that the melody still has room to breathe, especially on sustained chorus notes.

To test this now, play the progression in C, move up to C sharp, and then to D. Mark which key keeps the highest note comfortable without tightening your throat and which keeps the lowest note present. If the difference between two options is small, choose the one that makes the groove simpler for your hand.

Extensions change a chord’s color without requiring a long harmony lesson. A seventh chord adds a note to the triad. G7, for example, creates tension that usually asks to resolve to C. In many styles, chords such as D7, A7, and E7 often appear to prepare the next chord. Start by using one seventh at a time and compare it with the simple major version. Play G for two measures, G7 for two, and return to C; the sense of harmonic direction becomes clearer.

Sus replaces the third temporarily with a second or fourth. Csus2 uses D instead of E; Csus4 uses F instead of E. The effect is open and suspended. To resolve it, return to the major chord and hear how the third defines the final feeling. A ninth adds a note equivalent to the second degree an octave higher. Cadd9, for example, keeps C, E, and G and adds D, creating brightness without the full tension of a dominant chord.

On keyboard, first play the root with your left hand and try the third, fifth, seventh, or ninth with your right. For G7, use G in the bass and B–D–F in the right hand. For Cadd9, try C in the bass and C–E–G–D in the right hand. On guitar, prefer shapes that preserve the higher strings and avoid accumulating low notes. Use the chord tool to compare voicings, then practice the change in four-measure cycles.

If you already know some scales, the material about guitar scales helps identify where these extra notes come from. Try a short exercise: play C, Csus2, Csus4, and C in sequence, with two beats for each shape. Then repeat with G and G7. The focus is recognizing the movement of the third and seventh by ear, without adding extensions to every chord at once.

The chord widget becomes more useful when you combine quick reference with listening, repetition, and musical context. Finding the shape is not enough: check the root, play each string, observe the change, and test the chord within a progression. On keyboard, also check the inversion and the distance between the notes. On guitar, notice which open strings define the shape’s tone.

Return to this page whenever you need to review a shape, adapt a song to another key, or create a simple variation for an arrangement. Small changes in position and rhythm can greatly affect the result. A clean change at 64 BPM is more useful for practice than a rushed sequence with muted strings.

Use these points as a practical reference:

• Read the diagram from the sixth string to the first and distinguish X, 0, and the fingers.
• Practice C, G, D, A, E, Am, Em, and Dm before insisting on barre chords.
• Build the barre close to the fret, with thumb support and without squeezing more than necessary.
• Test I–V–vi–IV, ii–V–I, and vi–IV–I–V in different keys.
• Transpose for the singer’s range using degrees, barre chords, or a capo.
• Add sevenths, sus chords, and ninths after the simple triad is clear.
• Play each chord for four beats at 60 BPM before testing a faster groove.
• Record 30 seconds of the exercise and look for muted strings, late changes, and excessive low notes.
• On keyboard, try the root in the left hand and three or four notes in the right before opening up the voicing.

For your next practice session, choose a four-chord progression, look up each shape in the tool, play it at 60 BPM, and write down the key that best fits the singer’s range. This turns a quick lookup into practice material.