how to change simple.json format on vscode code example

Example 1: how to format json file in vs code

On Windows Shift + Alt + F.
On Mac Shift + Option + F.

Example 2: indent code in vs code

The code formatting is available in Visual Studio Code through the following 
shortcuts:

On Windows : Shift + Alt + F
On Mac : Shift + Option + F
On Linux : Ctrl + Shift + I