Privacy
Updated 25 October 2026
Everything stays on your device
The camera feed, the hand tracking, the pictures you add and the clips you record are all processed and kept on your own device. Hand tracking runs in your browser; your pictures live in your browser's storage so they are there next time. Nothing is uploaded — there is no account and no server that could receive it.
Camera and microphone
The camera is used to see your hand and, if you leave it on, to appear in your clip. The microphone stays on for the whole session while its switch is on, so a take starts without a prompt; switch it off and it is released. Both are released when you leave the page.
Cookies
No cookies. Your camera, sound and format preferences, and whether to show the gesture lesson, are remembered in your browser's local storage, which never leaves it.
Analytics and hosting
Aggregate page views are measured with Vercel Web Analytics, which is cookieless and builds no profile. The site is hosted on Vercel, which processes standard request data such as your IP address to serve pages, as any host does.