Acoustic Guitar — Play & Record Online Free

Free virtual acoustic guitar with realistic Karplus-Strong sound synthesis. Chord library with fretboard diagrams, strum and arpeggio modes, 7 strumming patterns, capo, 5 guitar tunings, recording to audio file. No downloads, no plugins — works on any device.

How to play

1
Pick a chord

On the Chords tab, tap the chord card you need — the diagram shows the finger position.

2
Switch to Strum

Open the Strum tab to see the strings on a wooden board. The selected chord is held, muted strings are crossed out.

3
Play it

Swipe the strum zone up or down, or tap strings one by one for arpeggio.

4
Enable a pattern

Pick a pattern on the right and click Auto-play — the instrument will perform the rhythm at the chosen tempo.

5
Record

Hit Record to capture audio, then download the file.

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Strum chords and pluck strings right in your browser

Am
Chord
Hold the marked frets and strum the strings below
x02210
E4 1
B3 2
G3 3
D3 4
A2 5
E2 6
Strum zone — swipe here
Down ↓ · Up ↑ · or SPACE
Strum patterns
7 patterns
92
Capo
OFF
Settings
⌨️ 1-6 = strings · A-G = chords · Shift+A = Am · Enter = strum · ↑↓ = up/down
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Features

Realistic sound Chord library Strum patterns & capo Recording & fine-tuning

FAQ

How does the sound work?

The guitar uses the Karplus-Strong algorithm — physical modeling of vibrating strings through Web Audio API. No audio samples are loaded.

What do the chord diagrams show?

Each diagram is a fragment of the fretboard: vertical lines are strings from 6th (bass) on the left to 1st on the right, horizontal lines are frets. Numbers in circles are fingers (1=index, 4=pinky), × above is a muted string, ○ is open. The xRRRRR string under the diagram is the compact finger pattern.

How does the capo work?

Pick a fret 1–7 in the Capo block on the Strum tab — all strings will sound that many semitones higher. The chord shapes stay the same but ring out in the new key.

What are the strum patterns?

Ready-made rhythm templates: "Down only" — 4 downstrokes; "D D U U D U" — universal pop; "Waltz 3/4" — three beats; "Reggae" — off-beat accents; "Shuffle" — blues shuffle; "Arpeggio" — sequential string plucking.

What tunings are available?

Standard E, Drop D, Open G, Open D, and DADGAD. Open Settings below the instrument — volume and reverb are there too.

Can I record my playing?

Yes. Click Record to start capturing audio. Click again to stop and download the file (WebM on desktop, M4A on iOS).

Are there keyboard shortcuts?

Yes. Keys 1-6 pluck individual strings. Enter / Arrow Down strums down, Arrow Up strums up. A-G select chords (Shift = minor), Space in the strum zone strums down.

When are the tuner and Loop coming?

A real microphone-based tuner with pitch detection and a Looper with overdub recording are in development. Both will ship as separate updates.

💡 Want us to improve this tool just for you?

We can — and it's free! Just send us a quick message with your idea. If you'd like to discuss it in detail, leave your email and we'll get back to you. You can stay anonymous.

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Who is this tool for?
🎵 Musicians & Producers
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