Free online INI to JSON converter. Convert INI configuration files to JSON format with one click. Supports sections, key-value pairs, comments. Pure frontend, no server upload. Perfect for config migration, format conversion, development debugging.
Enter Content: Type, paste, or upload the content you want to process. All processing happens locally in your browser — no data is uploaded to any server.
Configure Options: Adjust available options and settings to customize the output format.
Get Results: Copy the result or download the file once processing is complete. All processing is done locally — no data is uploaded to any server.
INI is a simple configuration file format with sections (marked by [brackets]) and key=value pairs. It was widely used in early Windows systems and is still used in many applications for configuration. Example: [server] port=8080.
① Config migration: Move from old INI configs to modern JSON-based systems ② Data format unification: Process INI data alongside other JSON data ③ Web development: JSON is easier to parse in frontend JavaScript ④ Microservices: Cloud-native apps often use JSON/YAML configs ⑤ Data pipelines: JSON integrates better with data processing tools
INI: Line-based text format with sections and key-value pairs, supports comments (; or #), no nesting (sections can't contain sections), no arrays. JSON: Full data structure support (objects, arrays, strings, numbers, booleans, null), deep nesting, more standardized. In conversion, each INI section becomes a JSON object.
Partially. Some information may be lost because JSON supports richer data types (arrays, null, deep nesting) that have no equivalent in INI format. We recommend ensuring your JSON has a flat structure before back-conversion.
No. Everything runs locally in your browser. Your INI data never reaches any server — all processing happens on your device, ensuring configuration data privacy.