JSON Validator

Paste your JSON below to validate its syntax and view a formatted version if it is valid.

Input JSON

Formatted JSON (if valid)

Example JSON

{
  "userId": 101,
  "name": "Alice",
  "email": "alice@example.com",
  "roles": ["admin", "editor"],
  "active": true,
  "profile": {
    "city": "Bangalore",
    "country": "India"
  }
}

About JSON Validator

This JSON Validator helps developers, testers, and learners quickly verify whether their JSON is valid and properly structured. JSON data from APIs, configuration files, or logs can easily contain syntax errors, missing commas, or unbalanced braces. With this tool, you can instantly check your JSON and see a formatted version when it is valid. All validation and formatting happen directly in your browser, so your data stays private and secure. Whether you are debugging an API response, editing a settings file, or learning JSON syntax, this validator offers a fast and convenient way to ensure your JSON is correct and ready for use.