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Mock Data Generator

Generate realistic fake data for testing and development. Customize fields, choose types, export as JSON or CSV.

Fields

What is Mock Data?

Mock data (also called fake data or test data) is realistic but fictional data used during development and testing. Instead of using production data (which may contain sensitive information), mock data lets you test your application with safe, realistic values. This generator creates names, emails, addresses, dates, and more.

Common Use Cases

Frontend development (populate UIs before the API is ready), API testing (seed databases with realistic data), load testing (generate thousands of rows), demo environments (showcase apps without real user data), unit tests (predictable test fixtures).
// Example output (JSON)
[
  {
    "id": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
    "name": "Sarah Johnson",
    "email": "[email protected]",
    "age": 34,
    "city": "Portland"
  }
]

// Example output (CSV)
id,name,email,age,city
a1b2c3d4...,Sarah Johnson,[email protected],34,Portland

Frequently Asked Questions

Is the generated data truly random?
Yes. Each generation produces unique random data using your browser's crypto API. Names, emails, and other fields are generated from realistic patterns but don't correspond to real people.
Can I import my own data schema?
Yes. Click 'Import from JSON' to paste a sample JSON object. The tool auto-detects field names and types from your sample, making it easy to generate data matching your API schema.

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