Transform your JSON workflow with our comprehensive formatter featuring real-time validation, interactive tree visualization, JSONPath query engine, and JSON schema generation. Compare JSON side-by-side, analyze performance metrics, import/export files, enjoy syntax highlighting with error detection, manage history and favorites, and choose from multiple formatting options— essential for developers, API integration, data analysis, and any JSON processing task.
Basic JSON object with string and number values
Deeply nested JSON structure
Array containing multiple objects
Typical API response structure
Application configuration JSON
Complex JSON with mixed data types
Use tree-shaking and selective parsing for better performance with large datasets
Our formatter uses streaming and chunked processing to handle files up to 100MB efficiently
All processing happens locally in your browser - no data is sent to external servers
Integrated validation, schema generation, and diff tools streamline your development workflow
- Alex M., Full Stack Developer“This JSON formatter is incredible! The schema validation and real-time linting have saved me hours of debugging. The visual tree view makes complex JSON structures so much easier to understand.”
Use 2-space indentation for optimal readability and file size balance
Validate JSON early in development to catch syntax errors quickly
Use the tree view to understand complex nested structures
Generate schemas for API documentation and validation