EfreeSoft Boss Key: Quickly Hide Any Window with One Shortcut
What it is
EfreeSoft Boss Key is a lightweight Windows utility that lets you instantly hide or minimize one or multiple application windows using a configurable keyboard shortcut (the “boss key”). It’s designed for quickly concealing on-screen activity without closing programs.
Key features
- Single hotkey hide/restore: Assign a global shortcut to hide or restore selected windows.
- Customizable window selection: Choose specific applications or all visible windows to hide.
- Multiple hide modes: Options to minimize, hide from taskbar, or move windows off-screen.
- Password protection: Optional password to prevent others restoring hidden windows.
- Low resource usage: Small memory and CPU footprint; runs in system tray.
- Startup option: Configure to launch automatically with Windows.
Typical use cases
- Quickly conceal browsing, chat, or media during meetings or interruptions.
- Temporarily hide sensitive documents when stepping away from your desk.
- Create a quick “privacy” mode without closing applications.
How to use (basic steps)
- Install and run EfreeSoft Boss Key.
- Open the program’s settings from the system tray icon.
- Set the global hotkey (e.g., Ctrl+Alt+H).
- Select which windows or processes to include (by window title or application).
- Choose the hide mode (minimize, hide from taskbar, move off-screen).
- Optionally enable password protection.
- Press the hotkey to hide; press again (or use restore shortcut) to bring windows back.
Safety and privacy notes
- Hiding windows does not close applications; unsaved work remains open.
- Password protection prevents casual restore but is not a replacement for full security measures (e.g., locking your PC).
- Screenshots or remote monitoring tools may still capture hidden content.
Alternatives
- Windows built-in “Show desktop” (Win+D) or Task View (Win+Tab).
- Third-party tools: AutoHotkey scripts, Actual Window Manager, Hide Window Hotkey.
February 5, 2026
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