JSON Formatter & Validator
JSON Editor
Formatting Options
JSON Input
0 characters, 0 lines
Formatted JSON
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About JSON Formatter
Professional JSON formatting, validation, and beautification tool with syntax highlighting, error detection, and minification options. Perfect for API development and data processing. All processing happens locally in your browser for privacy.
JSON is the backbone of modern web APIs and data exchange. This tool is essential for developers working with APIs, configuration files, and structured data validation and formatting.
- Format & Beautify: Clean indentation and structure for readable JSON output
- Syntax Validation: Real-time error detection with detailed error messages and line numbers
- Minification: Compress JSON by removing whitespace for production use
- Tree View: Collapsible hierarchical view for exploring complex JSON structures
- Syntax Highlighting: Color-coded display for keys, values, and data types