Free Toolkit

JSON to INIConvert JSON objects to INI configuration file format with sections.

JSON to INI illustration
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JSON to INI

Convert JSON objects to INI configuration file format with sections.

How to Use
1

Paste JSON

Paste a JSON object with nested objects for sections.

2

View INI output

Nested objects become [sections], primitive values become key-value pairs.

3

Copy result

Copy the INI configuration for your application.

What Is JSON to INI?

JSON to INI converts JavaScript Object Notation into INI configuration file format. INI is a simple, widely-used format for configuration files in Windows applications, PHP, Python, and many other systems. This converter maps top-level JSON properties to root-level INI keys, and nested JSON objects to INI sections with [section] headers. Values containing spaces are automatically quoted.

Why Use Our JSON to INI?

  • Automatic section creation from nested JSON objects.
  • Values with spaces are automatically quoted.
  • Clean, standard INI output format.
  • Root-level and section-level keys properly organized.

Common Use Cases

Configuration Generation

Generate INI config files from JSON data for legacy applications.

PHP Configuration

Create php.ini style configuration from JSON settings.

Windows Apps

Generate INI configuration for Windows desktop applications.

Game Configuration

Create game configuration INI files from JSON data.

Technical Guide

The converter separates JSON properties into two categories: primitive values (strings, numbers, booleans) become root-level INI key-value pairs, and object values become INI sections. Root-level properties are output first, followed by sections separated by blank lines. Within each section, all properties are output as key-value pairs. String values containing spaces are automatically wrapped in double quotes. Arrays and deeply nested objects are not natively supported by INI format. Arrays are converted to comma-separated strings, and deeply nested objects should be flattened before conversion. The output uses standard INI format with = as the key-value separator and [brackets] for section headers.

Tips & Best Practices

  • 1
    Top-level JSON properties become root INI keys; nested objects become [sections].
  • 2
    Only one level of nesting is supported — deeper objects should be flattened first.
  • 3
    Values with spaces are automatically quoted in the INI output.
  • 4
    Arrays are not natively supported in INI — they are converted to string representations.

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Frequently Asked Questions

QHow deep can the nesting go?
INI supports one level of nesting (sections). Deeper nested objects are not standard INI format.
QCan I convert back to JSON?
Yes, use our INI to JSON converter for the reverse direction.
QHow are arrays handled?
Arrays are converted to their string representation. INI does not have native array support.
QAre values typed?
INI treats all values as strings. The JSON types are converted to their string representations.
QWhat about boolean values?
Boolean values are output as "true" or "false" strings in the INI format.

About JSON to INI

JSON to INI is a free online tool from FreeToolkit.ai. All processing happens directly in your browser — your data never leaves your device. No registration required. No ads. Just fast, reliable tools.