Soundgo Official Website

Soundgo is a free webcam instrument for playing chords and melodies with your hands.

• Official app: https://sound.gojaehyun.com/
• Creator: Go Jaehyun (portfolio: gojaehyun.com)
• Price: Free
• Login required: No
• Platform: Web (gojaehyun.com subdomain)
• Main use: Gesture-based music making through hand tracking
• Last checked: 2026-08-22

Visit Soundgo

We are not the official developer of Soundgo. This page helps users find, understand, and use the product.

What Is Soundgo?

Soundgo is a browser-based instrument that uses your webcam to turn hand movements into music. The tagline says it all: "play chords and melodies with your hands through your webcam." The app tracks your fingertips with Google's MediaPipe Hands and synthesizes sound with Tone.js, so the whole experience happens in the browser — no downloads, no hardware, no setup beyond granting camera access.

The interface is built around two on-screen wheels: a chord wheel and a melody wheel. Your fingertips act as cursors, and the app draws your hand skeleton on the video feed so you can see exactly where you are pointing. Two modes are available — "Two-hand Chord" and "Melody + Chord" — plus controls for scale (Major, Pentatonic, Minor, Blues, Chromatic), waveform (Sine, Triangle, Saw, Square), and range (2, 3, or 4 octaves). The developer also added practical polish: fingertip smoothing to prevent misfires and debounced chord switching so a resting fingertip does not cause flicker.

How to Use Soundgo

1. Open the official Soundgo website.
2. Click "Start" and allow camera access in the browser prompt.
3. Select a mode: Two-hand Chord or Melody + Chord.
4. Adjust the scale, waveform, and octave range to taste.
5. Move your hands in front of the camera — your fingertips hover over the wheels to play chords and melodies.

Is Soundgo Safe?

What can be verified about Soundgo: it is a static web page hosted on gojaehyun.com, the personal domain of developer Go Jaehyun. There is no registration, no third-party login, no payment, and no file upload. The app needs webcam access by design, and the hand tracking runs locally in the browser via MediaPipe; the page loads its libraries from the jsDelivr CDN. There are no ads or redirects. The only real consideration is the camera permission itself — the app cannot function without it, so only grant it if you are comfortable with webcam use.

Why Is Soundgo Popular?

Soundgo appears to be gaining attention through direct sharing and word-of-mouth, although there is no clear public source showing where the trend originated. Playing music with your hands in the air is visually striking and easy to record, which makes it natural content for social media. The project also rides the broader wave of gesture-based and AI-powered web experiments, and being a polished personal project by a developer with a public portfolio makes it easy to recommend.

Soundgo Not Working?

If Soundgo cannot be accessed, try:

1. Refresh the page.
2. Open it in another browser.
3. Allow camera access in the permission prompt — the app cannot work without it.
4. On mobile, rotate to landscape; the app requires landscape orientation.
5. Check whether the sound.gojaehyun.com site is still online.

Soundgo Alternatives

If you like Soundgo, you can also try:

• Piano Genie — Google's AI piano game where any key press plays something musical
• Chrome Music Lab — free browser experiments for making music with your mouse or touch
• Theremin — the classic instrument played by moving your hands near an antenna

Frequently Asked Questions

What is the official Soundgo website?

The official website is https://sound.gojaehyun.com/.

Is Soundgo free?

Yes, Soundgo is completely free to use with no payment step anywhere.

Do I need an account to use Soundgo?

No. There is no registration or login — you only need to allow camera access.

Who created Soundgo?

Soundgo was created by Go Jaehyun, a developer whose portfolio is at gojaehyun.com.

Is Soundgo still available?

Yes, the site was online and playable as of 2026-08-22.