PenFinger

Turn your finger into a pen. Draw freely in the air and see your movements appear instantly on your screen — no stylus, no limits.

PenFinger lets you draw on your phone using just your finger.

By tracking your fingertip with the camera, PenFinger transforms real-world hand movement into smooth 2D drawings directly on your screen. Simply move your finger in the air and watch your strokes appear in real time.

Features

• Real-time fingertip tracking • Instant 2D drawing on screen • Clean and minimal interface • One-tap clear button • Fully on-device processing (no data leaves your phone)

Privacy First

PenFinger processes camera input locally on your device. No photos, videos, or personal data are stored or shared.

Who is it for?

• Creators and artists • Students and educators • Anyone who wants to experiment with gesture-based drawing • Curious minds exploring new ways to interact with technology

No sign-up. No ads. Just draw.