Captain Kill Switch

Close all running applications with one click. Say goodbye to ALT+Tab and Ctrl+Q.

Captain Kill Switch - Emergency Stop Button

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

1

Install

Download and install Captain Kill Switch on your system

2

Access

Find the app icon in your system tray

3

Kill All

Click once to close all running applications instantly

Download Captain Kill Switch

Available for Windows, macOS, and Linux. Free and open source.

Windows

Windows

Windows 10/11

macOS

macOS

macOS 10.15+

Linux

Linux

Ubuntu, Debian, Arch

Version 1.0.0 • Free like the Air