# Face Switch: Learn Hands-Free Face Control

> Face Switch is a free hands-free control trainer: raise your eyebrows to click, open your mouth to scroll, turn your head to move. Live on-device face tracking, personal calibration, one named hint per mistake. Free, no account, nothing ever leaves your device.

*Interactive tool: enter your values at https://toollantern.win/face-switch-hands-free-control/ and results update instantly in your browser.*

## Frequently asked questions
### What is Face Switch?

A free web app that teaches hands-free control with your face: eyebrow raise to click, mouth open to scroll, head turns to move, double blink to pause. It is a practice trainer with live feedback, not an operating-system controller and not a medical device.

### Which moves does it teach?

Five: eyebrow raise to click, mouth open to scroll, head turn left and head turn right to move between options, and double blink to pause. A dwell option lets you hold a face shape for a set time to confirm, as an alternative to the quick moves.

### How does it see my face?

A small face model, about 4 MB, runs entirely in your browser. It reads brow height, mouth openness, and head rotation from each frame and compares them to your calibrated thresholds. There is no face recognition: the app never identifies you and stores no face images.

### How does calibration work?

A short guided wizard, about a minute: rest your face, then do each move the way you naturally would. It sets personal thresholds for your brows, jaw, and head turns, and learns which way your left and right are, since selfie views are mirrored. If a move cannot be told apart from your resting face, it says so and keeps the safe default.

### What happens when I do a move wrong?

You get one named hint within about a second, never just a score: Raise your eyebrows higher, Open your mouth wider, Turn your head further, Hold it a beat longer, That was a single blink, or Face the camera. The hint tells you exactly what to fix on the next attempt.

### What is the pause gesture for?

Double blink freezes all controls so you can cough, talk, or rest your face without triggering anything. Blink twice again, or press the big Pause button, to resume. Pausing does not turn the camera off; leaving the activity does.

### Can someone help me set it up?

Yes. Every control in the app is also clickable with a mouse or keyboard, so a helper can run the calibration, change settings, or assist at any point. The camera turns fully off whenever you leave an activity.

### Does it record video or store my face?

No. Video frames are analysed on your device and discarded immediately. Nothing is recorded, uploaded, or shared, no face images are stored, and the app never asks for a name. The page security policy blocks connections to every outside server, and the Offline proof panel shows the live request log to prove it.

### Does it work offline?

Yes, after your first visit. The app, the face model, and all lessons are saved on your device, so it works with no network at all.

### How do points, levels and badges work?

Each clean hit in quiz mode is +10 points, and a passed quiz adds +20. Levels run First Click, Getting the Hang, Face Driver, and Hands-Free Pro. Badges cover the first clean click, the first full quiz, a perfect round, a ten-move streak, a passed scroll challenge, and a 7-day streak.

### Can I delete my progress?

Yes. Open Offline proof on the home page and press Delete all my data, or open Settings and press Clear progress. Everything is stored only in your browser, on your device.

### Is this a medical device?

No. Face Switch is a home practice tool, not a medical device, therapist, or safety device. It is not a substitute for certified assistive technology or a professional assessment, and feedback is automatic and can be wrong. Never rely on it for anything safety-critical.

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Interactive version: https://toollantern.win/face-switch-hands-free-control/
