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Gesture Synth
Play expressive synth music with hand gestures via webcam.
Gesture Synth is a free browser-based musical instrument that turns hand movements into chords, melodies & synth tones using your webcam. Powered by MediaPipe & Web Audio API, all hand tracking runs locally on your device—no camera footage uploaded to servers. It supports Gesture chord mode, Theremin & Piano modes, built-in arpeggiator, metronome, plus audio/video recording for instant performance sharing. No downloads, sign-ups or plugins required.
Hey Product Hunters 👋
I built Gesture Synth because I wanted an accessible gesture-controlled synth that prioritizes user privacy—no other webcam music tool I found processed all tracking locally in-browser without sending camera feeds to cloud servers.
This free web instrument lets you control harmony with your left hand and shape volume/tone with your right hand across three play styles: chord performance, continuous theremin pitch, and simple piano melody. It includes rhythm tools like arpeggiator, auto bass, adjustable time signatures, plus three recording formats: full camera capture, privacy-friendly skeleton hand tracking, or pure audio exports.
Everything works in Chrome/Edge instantly, zero account creation needed. I’d love to hear what play modes or sound features you want added next—what would you create first with this gesture synth?
Try it now: https://gesturesynth.pro
About Gesture Synth on Product Hunt
“Play expressive synth music with hand gestures via webcam.”
Gesture Synth was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #27 on the daily leaderboard. Gesture Synth is a free browser-based musical instrument that turns hand movements into chords, melodies & synth tones using your webcam. Powered by MediaPipe & Web Audio API, all hand tracking runs locally on your device—no camera footage uploaded to servers. It supports Gesture chord mode, Theremin & Piano modes, built-in arpeggiator, metronome, plus audio/video recording for instant performance sharing. No downloads, sign-ups or plugins required.
On the analytics side, Gesture Synth competes within Music, Free Games, GitHub and Games — topics that collectively have 202.6k followers on Product Hunt. The dashboard above tracks how Gesture Synth performed against the three products that launched closest to it on the same day.
Who hunted Gesture Synth?
Gesture Synth was hunted by kiya. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Gesture Synth including community comment highlights and product details, visit the product overview.
kiya