Close all apps
with one click
Say goodbye to ALT+Tab and Ctrl+Q.
Reset your workspace instantly.
Why Captain Kill Switch?
Streamline your workflow with our powerful system tray application
Lightning Fast
Close all applications instantly with a single click from your system tray. No more hunting through windows.
Safe & Secure
Built with security in mind. Only closes user applications, never system processes.
Cross-Platform
Works seamlessly on Windows, macOS, and Linux. One app, all platforms.
How It Works
Simple, powerful, and efficient
Install
Download and install Captain Kill Switch on your system
Access
Find the app icon in your system tray
Kill All
Click once to close all running applications instantly
Download Captain Kill Switch
Available for Windows, macOS, and Linux. Free to download.
macOS Users - Important:
macOS may say the app is "damaged". This is normal for unsigned apps. Here's how to open it:
- Right-click the DMG file and select "Open" (don't double-click)
- When prompted, click "Open" again
- Drag the app to Applications folder
- Right-click the app in Applications → "Open" the first time
Alternative: Open Terminal and run: xattr -cr ~/Downloads/Captain\ Kill\ Switch.dmg
Windows
Windows 10/11
macOS
macOS 10.15+
⚠️ Right-click DMG → Open (bypass Gatekeeper)
Linux
Ubuntu, Debian, Arch
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