JSON Formatter for Config Files

About This Tool

Configuration files are at the heart of modern software development — from package.json and tsconfig.json to VS Code settings and cloud infrastructure templates. This JSON Formatter for Config Files is tailored for processing JSON configuration files with the precision and care they require. Configuration files often contain comments (in formats that support them), version-specific settings, and carefully structured hierarchies that must be preserved during formatting. The tool processes these files while maintaining all data integrity, ensuring that indentation reveals the logical structure of configuration sections, nested settings, and conditional values. Whether you are cleaning up auto-generated configuration, merging settings from multiple sources, or preparing config files for documentation, this tool handles the task reliably.

What is JSON Formatter?

A JSON formatter transforms compact or poorly formatted JSON into a human-readable structure with consistent indentation, line breaks, and proper nesting. JSON (JavaScript Object Notation) is the most widely used data interchange format for web APIs, configuration files, and data storage. Raw API responses and minified JSON files are difficult to read and debug without proper formatting. This tool parses your JSON input, validates its syntax, and outputs a cleanly indented version that makes nested objects, arrays, and key-value pairs easy to understand at a glance. Whether you are debugging API responses, reviewing configuration files, or preparing data for documentation, proper JSON formatting saves time and reduces errors.

How to Use This Tool

1. Paste your JSON data into the input area.
2. Click Format to beautify with 2-space indentation.
3. Click Minify to compress JSON into a single line.
4. Copy the formatted output to your clipboard.

Common Use Cases

• Formatting package.json for readability
• Cleaning up tsconfig.json and eslint configs
• Processing VS Code settings.json files
• Normalizing docker compose JSON overrides

Examples

{"name":"John","age":30,"address":{"city":"NYC","zip":"10001"}}

[{"id":1,"title":"Hello"},{"id":2,"title":"World"}]

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