Fn3 - Screen Privacy Tool
Instant screen privacy control
Only for Mac
$1.99
Mac
Quick privacy protection at your fingertips. Triple-tap Fn key to instantly hide your screen content from prying eyes.
Fn3 is a lightweight and elegant macOS utility designed to protect your privacy instantly. Whether you're working in a coffee shop, giving a presentation, or simply need a moment of screen privacy, Fn3 has you covered.
Key Features:
Instant Screen Coverage: Triple-tap the Fn key to instantly overlay all your screens with a frosted glass effect
Multi-Monitor Support: Automatically covers all connected displays simultaneously
One-Click Exit: Simply click anywhere on the screen or press ESC to dismiss the overlay
Menu Bar Control: Quick access from the status bar for manual control
Smooth Animations: Beautiful fade-in and fade-out transitions for a polished experience
Zero Dock Clutter: Lives quietly in your menu bar without taking up Dock space
Lightweight: Minimal system resource usage, runs silently in the background
Perfect For:
Protecting sensitive information during screen shares
Preventing shoulder surfing in public spaces
Taking quick breaks without closing applications
Maintaining focus during presentations
Preventing screen burn-in on OLED displays
Privacy First:
Fn3 operates entirely locally on your device. No data collection, no internet connection required, no tracking. Your privacy is truly yours.
How It Works:
Launch Fn3 - it sits quietly in your menu bar
Triple-tap the Fn key or click the menu bar icon
All screens are instantly covered with a semi-transparent overlay
Click anywhere or press ESC to return to your work
Fn3 requires Accessibility permissions to detect the global keyboard shortcut. This permission is only used for monitoring the Fn key triple-tap gesture and nothing else.
Simple. Fast. Private.
That's Fn3.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Grand Penway, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Beijing Grand Penway technology Ltd
- Size
- 1.9 MB
- Category
- Utilities
- Compatibility
Requires macOS 26.0 or later.
- Mac
Requires macOS 26.0 or later.
- Mac
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2025 Grand Penway Technology Ltd
