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Cmd Switch

Cmd Switch

Switch input sources instantly with a single Command key press

1.0 • macOS 12.0+
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Cmd Switch is a lightweight macOS menu bar app that lets you switch between keyboard input sources (like English and Japanese) by simply pressing the left or right Command key alone. No complicated shortcuts, no memorizing key combinations—just one key press.

Features

⚡ Lightning Fast

Switch input sources instantly with a single key press

⌨️ Customizable

Assign different input sources to left and right Command keys

🎯 Simple

Works seamlessly without interfering with normal keyboard shortcuts

Installation

  1. 1Download and unzip the file
  2. 2Move Cmd Switch.app to your Applications folder
  3. 3Open Cmd Switch from Applications
  4. 4Grant Accessibility permissions when prompted

⚠️ Important: Cmd Switch requires Accessibility permissions to monitor keyboard events. This is necessary for detecting Command key presses.

How to Use

  1. 1Click the ⌘ icon in your menu bar
  2. 2Select input sources for Left Command and Right Command
  3. 3Press the left Command key alone to switch to your left Command input source
  4. 4Press the right Command key alone to switch to your right Command input source
Menu bar settings interface

Note: Normal Command key shortcuts (like Cmd+C, Cmd+V) continue to work as usual. Cmd Switch only activates when you press a Command key by itself.

Perfect For

  • ✅ Bilingual users switching between languages
  • ✅ Developers who use multiple keyboard layouts
  • ✅ Anyone tired of complex keyboard shortcuts
  • ✅ Power users looking for efficiency

Open Source

Cmd Switch is free and open source software. View the source code, report issues, or contribute on GitHub:

View on GitHub →

Licensed under [MIT License]. Contributions are welcome!