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Sign capture studio

Help us build accurate sign data. Sign in front of your camera, capture the hand landmarks, check the 3D playback, and export JSON we can add to SignBridge.

100% private — everything runs in your browser, no video leaves your device.
1Describe
2Capture
3Review & export
1

Describe the sign

What are you about to capture?

2

Capture the sign

One snap for a still handshape · record for signs with movement

Start the camera to capture

Live 3D — what gets saved
Your tracked hand appears here in 3DIf it looks like the wrong hand, toggle Mirror
3

Review & export

Capture at least one pose to unlock

Nothing captured yet — your playback preview and JSON export will appear here.