Skip to main content
FreeFormatHub
🎭

Mock Data Generator

Generate realistic mock data for testing, development, and prototyping. Create users, products, orders, addresses, or custom data structures in multiple formats.

Output

Output will appear here

How It Works

Privacy First

This mock data generator processes your data entirely in your browser. No data is uploaded to any server, ensuring complete privacy and security.

Lightning Fast

Instant processing with real-time validation and error detection. No waiting, no delays - just immediate results.

Versatile Use Cases

  • API testing and development
  • Database seeding and migration testing
  • Frontend prototype development

Mobile Friendly

Responsive design that works perfectly on all devices and screen sizes. Touch-friendly interface for mobile users.

Frequently Asked Questions

What data types can be generated?
The tool supports users, products, orders, addresses, and custom data structures. Custom schemas allow you to define specific field types and constraints.
How do I create reproducible data?
Use a custom seed value to generate the same data set every time. This is useful for consistent testing environments and reproducible results.
What output formats are supported?
Data can be generated in JSON, CSV, SQL INSERT statements, XML, and YAML formats. Each format is optimized for different use cases.
Can I generate data in different languages?
Yes! The tool supports multiple locales including English, Spanish, French, German, Italian, Portuguese, Russian, Japanese, and Chinese with localized names and locations.
How do I define custom data schemas?
Use JSON format to define field types, constraints, and options. Supported types include string, number, boolean, date, email, phone, and many more.

Related Tools