JSON Formatter
Format, validate, and beautify your JSON data with syntax highlighting and error detection.
Input JSON
Formatted Result
Follow these steps to format, validate, or minify your JSON data.
How to Use
Format JSON
- Paste your JSON data into the input area on the left
- Click the 'Format' button or use Ctrl+Enter
- The formatted JSON will appear in the output area on the right
Validate JSON
- Paste your JSON into the input area
- If your JSON is invalid, error messages will appear highlighting the problem
- Fix the errors based on the error messages provided
Minify JSON
- Paste your formatted JSON into the input area
- Click the 'Minify' button to compress it
- Copy the minified JSON for use in your applications
Examples
Simple Object
Basic JSON object with nested properties
Input
{"name":"John","age":30,"city":"New York"}Output
{
"name": "John",
"age": 30,
"city": "New York"
}Nested Array
JSON array with multiple objects
Input
[{"id":1,"name":"Item 1"},{"id":2,"name":"Item 2"}]Output
[
{
"id": 1,
"name": "Item 1"
},
{
"id": 2,
"name": "Item 2"
}
]Pro Tips
- •Use Ctrl+Enter (Cmd+Enter on Mac) for quick formatting
- •The tool automatically detects encoding (UTF-8) and handles special characters
- •Download buttons allow you to save formatted or minified JSON as files
- •Error messages include line numbers to help you quickly locate issues
- •Copy buttons make it easy to transfer results to your clipboard
Common Use Cases
API Development & Debugging
When working with APIs, JSON responses are often minified. Format them to quickly inspect the data structure and values during debugging.
Configuration Files
Many applications use JSON for configuration files. Format them to understand or edit settings more easily.
Data Migration
When moving data between systems, format JSON to verify the structure matches the target system's requirements.
Learning JSON
If you're new to JSON, the formatted output with syntax highlighting helps you understand the structure and hierarchy.