JSON Formatter & Validator

Format, validate, and beautify your JSON data

Input

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Output

Formatted JSON will appear here

Paste JSON in the input area to get started

Why Format JSON?

Ever received a JSON response from an API that looks like one giant, unreadable line?You're not alone. Minified JSON is great for saving bandwidth, but terrible for human eyes.

That's where JSON formatting comes in. It takes that wall of text and transforms it into something you can actually read and understand. Proper indentation, line breaks, and spacing make all the difference when you're trying to debug or analyze JSON data.

💡 Developer tip:

Always format JSON before sharing it in code reviews or documentation. Your teammates will thank you!

Before Formatting

This is what you typically get from APIs:

{"users":[{"id":1,"name":"Alice","email":"alice@example.com","active":true},{"id":2,"name":"Bob","email":"bob@example.com","active":false}],"total":2,"page":1}

Good luck reading that! 😵

After Formatting

Much better, right?

{
  "users": [
    {
      "id": 1,
      "name": "Alice",
      "email": "alice@example.com",
      "active": true
    },
    {
      "id": 2,
      "name": "Bob",
      "email": "bob@example.com",
      "active": false
    }
  ],
  "total": 2,
  "page": 1
}

Now you can actually see what's going on! ✨

When You'll Need This

API Development

Testing API endpoints and need to understand the response structure? Format it first, then you can easily spot what data you're getting back.

Code Reviews

Including JSON examples in pull requests? Formatted JSON is much easier for reviewers to understand and provide feedback on.

Documentation

Writing API docs or tutorials? Properly formatted JSON examples make your documentation look professional and easy to follow.

Debugging

Trying to find a specific field in a complex JSON structure? Formatting makes it infinitely easier to navigate and locate what you need.