How to Change Windows Terminal Launch Size

Setting a custom Windows Terminal launch size saves you from having to manually resize the window every time you work. It ensures your workspace is consistent and comfortable for your specific screen setup. By defining your preferred window dimensions, you create a professional environment that is ready for action the moment you open the app.

What happens when you are done?

Once you save your settings, the Windows Terminal will automatically open at your chosen width and height. This provides a personalized experience every time you start your session, whether you are using Command Prompt, PowerShell, or WSL.

Understanding the settings.json file

Windows Terminal uses a file called settings.json to store your preferences. While the graphical interface is easy to use, editing this file directly gives you more control. You can modify the initialCols and initialRows properties to set exact window dimensions.

Warning: Always create a backup of your settings.json file before making manual changes. You can find it by holding the Alt key while clicking the Settings menu in the Terminal.

Global vs. Profile-specific settings

You can set a default size for all windows or specific sizes for individual profiles like PowerShell or Command Prompt. Use the following table to understand the difference:

How to change the Windows Terminal launch size

You can adjust the columns (width) and rows (height) by following these steps:

1. Open the Windows Terminal app.

2. 

3. Click the down arrow button on the top bar and select Settings.

4. 

5. To edit the JSON file directly, hold the Alt key and click Settings. This opens the configuration file in your default text editor.
6. Locate the profiles.defaults section to change settings for all profiles, or find a specific profile ID to change only one.
7. Add or modify the initialCols and initialRows properties as shown above.
8. Save the file and restart the Terminal to see your changes.

Note: These changes do not require administrative privileges.

Summary

Customizing your Windows Terminal launch size is a quick way to improve your workflow. By using the settings.json file or the Startup menu, you can lock in a window size that fits your screen perfectly. Remember to back up your configuration file before editing, and use the initialCols and initialRows properties to achieve your desired terminal window dimensions. For more advanced customization, check the official documentation at Microsoft.com.