JSON Tools

JSON Mock Data Generator

Generate realistic mock data for testing and development with customizable patterns, relationships, and data types

Data Template

Generation Options

10

Custom Schema (Optional)

Define your own data structure using the schema format:

Statistics

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Generate Time

Generated Data

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Generate Realistic Test Data for Development

Mock data is essential for testing applications without relying on real user data or production databases. Our JSON mock generator creates realistic, customizable test data that mimics real-world scenarios. Use pre-built templates for common data types like users, products, and transactions, or define custom schemas to match your exact requirements. Perfect for API testing, frontend development, database seeding, and demonstration purposes.

Why Use Mock Data?

  • API Testing: Test endpoints without connecting to real databases or external services
  • Frontend Development: Build and test UI components with realistic data before backend is ready
  • Performance Testing: Generate large datasets to test application performance under load
  • Demos & Presentations: Create realistic examples for showcasing features to stakeholders
  • Database Seeding: Populate development databases with sample data for testing
  • Prototyping: Quickly create data structures to validate ideas and concepts

Built-In Data Templates

User Profiles

Generate user data with names, emails, addresses, phone numbers, and authentication info.

Product Catalog

Create product listings with SKUs, prices, descriptions, inventory, and categories.

E-commerce Data

Generate orders, transactions, cart data, and customer purchase histories.

Social Media

Create posts, comments, likes, followers, and social engagement metrics.

How to Generate Mock Data

  1. Select Template: Choose from pre-built templates or start with a blank schema
  2. Adjust Settings: Set the number of records and output format (JSON, CSV, XML)
  3. Customize Schema: Optionally define custom fields and data types for your needs
  4. Set Options: Configure null values, date ranges, and reproducibility seeds
  5. Generate: Click "Generate Data" to create realistic mock data instantly
  6. Export or Use: Download the generated data or copy it to your clipboard

Supported Data Types

  • • Strings & Text
  • • Numbers & Integers
  • • Booleans
  • • Email Addresses
  • • Phone Numbers
  • • URLs & Domains
  • • Dates & Timestamps
  • • UUIDs & IDs
  • • Addresses
  • • Names (First, Last, Full)
  • • Arrays & Objects
  • • Custom Types

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