INI to JSON/YAML
Convert INI configuration files to JSON or YAML
Input & options
Your inputs are never uploaded or stored.
Converted output
Enter content or load a sample to start.
About the INI to JSON Converter
Our free INI to JSON converter transforms classic INI configuration files into structured JSON and back again in a single click. The INI format has been a staple of application configuration for decades, from php.ini and Windows registry exports to MySQL my.cnf files. This tool bridges the gap between the simple section-and-key INI syntax and the widely supported JSON format used by modern APIs, toolchains, and cloud services.
System administrators and DevOps engineers often encounter INI files when managing legacy applications, database connection settings, or server configurations. Converting these files to JSON makes it easy to feed them into automation scripts, REST APIs, Terraform modules, or container orchestration platforms that expect JSON input.
The converter automatically detects data types, turning numeric strings into numbers and boolean keywords into true/false values. It preserves section headers as nested JSON objects, supports both semicolon and hash comments, and provides section and key statistics so you can verify completeness at a glance. Your configuration files and secrets are never uploaded or stored.
Key Features
- Bidirectional INI-to-JSON and JSON-to-INI conversion
- Section header preservation as nested JSON objects
- Automatic data-type detection for strings, numbers, and booleans
- Comment-aware parsing (supports ; and # comment styles)
- Top-level key-value pairs without section headers supported
- Conversion statistics showing input size, output size, sections, and keys
- File upload support for .ini, .cfg, .conf, .json, and .txt files
- One-click download and copy-to-clipboard for the converted output
- Built-in sample configuration data for quick testing
- Your data is never uploaded or stored
How to Use
- Choose the direction: Click "INI to JSON" or "JSON to INI" to set the conversion mode.
- Provide input: Paste your INI or JSON content, upload a file, or click "Sample" to load example configuration data.
- Convert: Press the Convert button to generate the output instantly.
- Review statistics: Check the section count, key count, and file sizes in the statistics panel.
- Download or copy: Click "Download" to save as a .ini or .json file, or "Copy" to place the result on your clipboard.
Use Cases
- PHP configuration: Convert php.ini settings to JSON for use in deployment scripts or environment variable managers.
- Database setup: Transform MySQL my.cnf or PostgreSQL configs into JSON for automated provisioning tools.
- Legacy system migration: Modernize old Windows-style INI configs into JSON for cloud-native applications.
- Server administration: Convert Apache, Nginx, or Samba INI-style configs to JSON for centralized config management.
- Desktop application settings: Read and transform application .ini or .cfg files into JSON for backup or migration.
- CI/CD pipelines: Generate JSON from INI config files for use with GitHub Actions, Jenkins, or other automation tools.
- Environment management: Convert .env-style INI files to JSON for use with container orchestration platforms.
- Documentation: Transform INI configs into JSON for inclusion in API documentation or technical specifications.
Frequently Asked Questions
Does it support comments in INI files?
Yes. The parser recognizes both semicolon (;) and hash (#) comment styles. Comments are stripped during conversion since JSON does not support them.
How are INI sections represented in JSON?
Each [section] in the INI file becomes a nested JSON object. Keys within that section become properties of the object. Top-level keys without a section appear at the root of the JSON output.
Does it handle duplicate keys?
If duplicate keys exist within the same section, the last value wins. For best results, ensure your INI file uses unique keys within each section.
Tips & Best Practices
- Use sections consistently: Group related keys under [section] headers for a cleaner JSON structure with proper nesting.
- Watch for type coercion: Values like "true", "false", and numeric strings are automatically converted. Quote them in your INI file if you need them treated as plain strings.
- Verify section and key counts: Use the statistics panel to make sure all sections and keys were parsed correctly.
- Round-trip test: Convert INI to JSON and back to INI to ensure no data was lost during the transformation.
- Redact secrets: Even though processing is local, remove passwords and API keys before sharing the converted output.
- Load the sample first: Click "Sample" to see the expected INI format before pasting your own configuration data.