Prettify JSON in Notepad++

To format a JSON file offline in Notepad++ text editor, you need to install a plug-in called as JSTOOL, follow the below steps to get the plugin.

1. Goto Menu → Plugins → Plugin Admin..
2. Look for JSTOOL.
3. Tick the checkbox and click Install.
4. Click OK and Notepad++ should reboot.

Once the plugin is installed, open the JSON file in a tab, goto Plugins → JSTOOL →JSFORMAT to format/pretty print.

{"details": {"name": "John L","age": "24",
"location": "Sweden"
}
}

{
    "details": {
        "name": "John L",
        "age": "24",
        "location": "Sweden"
    }
}

⛏️ You can also use Keyboard shortcut: Ctrl + Alt + M to format.