JSON Formatter Features
- Format and beautify JSON data instantly
- Validate JSON syntax with real-time error checking
- Syntax highlighting for better readability
- Collapsible JSON structure for easy navigation
- Dark mode support for comfortable viewing
- Copy formatted JSON to clipboard
- Free online tool, no installation required
About JSON Formatter
Our JSON formatter and validator is a free online tool that helps developers format, validate, and beautify JSON data.
Whether you're debugging API responses, configuring application settings, or working with JSON files,
this tool makes it easy to transform unformatted JSON into a clean, readable format with proper indentation
and syntax highlighting.
How to Use
- Paste your unformatted JSON into the input area
- The tool automatically formats and validates your JSON
- Use the collapsible view to explore nested structures
- Toggle dark mode for comfortable viewing in low light
- Copy the formatted JSON with a single click
Common JSON Use Cases
- API response formatting
- Configuration file editing
- Data structure visualization
- JSON validation and error checking
- Code debugging and development
Technical Details
Supports all JSON data types including objects, arrays, strings, numbers, booleans, and null values.
Features syntax highlighting for different data types, proper indentation with configurable spacing,
and real-time validation to catch syntax errors immediately.
Related Tools
- JSON Validator
- JSON Beautifier
- JSON Parser
- JSON Editor
- JSON Viewer