JSON Formatter - JSON formatter/validator

JSON Formatter - Pretty Print & Validate JSON

Working with APIs or config files? JSON Formatter helps you read, validate, and debug JSON data instantly.

Features

• Pretty print JSON
• Validate syntax
• Minify JSON
• Tree view
• Error highlighting
• Copy formatted output

Developer Workflow

// Before
{"name":"John","age":30,"city":"NYC"}

// After
{
  "name": "John",
  "age": 30,
  "city": "NYC"
}

Use Cases

• API response debugging
• Config file editing
• Data validation
• Learning JSON structure
• Troubleshooting syntax errors

🔗 Format now: https://jsonformat.co

All processing is client-side - your data stays private.

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