JSON and XML Validators

Validate, format, and debug your data structures with ease

JSON Validator
XML Validator

Validate and format JSON data with error highlighting and line numbers.

JSON Input
Enter JSON data and click Validate

Validate and check XML data for syntax errors and proper structure.

XML Input
Enter XML data and click Validate

Features of Our Validator Tool

Instant Feedback

Get immediate results for your JSON and XML data validation with precise error messaging.

Error Highlighting

See exactly where errors occur with line numbers and clear visual indicators.

Free and Secure

All processing happens in your browser — no data is sent to or stored on our servers.

Format and Beautify

One-click formatting to make your code readable and properly indented.

How to Use the Validator

1

Paste Your Data

Copy your JSON or XML data into the respective editor panel. Use the example button if you need sample data.

2

Click Validate

Press the "Validate" button to check your data for syntax errors and proper structure.

3

Review Results

Check the results panel to see if your data is valid or if it contains errors. Fix any errors highlighted in the editor.

4

Format and Export

Use the format button to beautify your code, then copy or download it for your projects.

When to Use This Tool

Our JSON and XML validators are perfect for:

Developers

Testing API payloads, responses, and ensuring data correctness during development.

Web Designers

Validating configuration files, SVG data, and structured content for web applications.

Students

Learning JSON or XML syntax and practicing data structure creation with immediate feedback.

Data Analysts

Checking data exports, API results, and structured data before processing or import.