What data types are available?

Person names, emails, phone numbers, addresses, cities, countries, company names, job titles, dates, booleans, custom text patterns, and more.

Can I define custom fields?

Yes, use the custom schema editor to define your own field names and types.

devvkit / generators

Dummy Data Generator

Generate realistic fake data in JSON, CSV, or SQL format.

Rows:

Output (5 rows)

[
  {
    "id": "1",
    "first_name": "Jack",
    "last_name": "Brown",
    "email": "wendy.williams@company.io",
    "age": "32",
    "city": "Sydney",
    "active": "true",
    "score": "43.24"
  },
  {
    "id": "2",
    "first_name": "Alice",
    "last_name": "Davis",
    "email": "henry.lee@company.io",
    "age": "69",
    "city": "London",
    "active": "false",
    "score": "69.94"
  },
  {
    "id": "3",
    "first_name": "Quinn",
    "last_name": "Martinez",
    "email": "henry.martinez@outlook.com",
    "age": "41",
    "city": "Berlin",
    "active": "false",
    "score": "79.05"
  },
  {
    "id": "4",
    "first_name": "Sam",
    "last_name": "Anderson",
    "email": "zack.martin@gmail.com",
    "age": "29",
    "city": "Toronto",
    "active": "false",
    "score": "34.37"
  },
  {
    "id": "5",
    "first_name": "Wendy",
    "last_name": "Garcia",
    "email": "quinn.miller@mail.org",
    "age": "35",
    "city": "Paris",
    "active": "false",
    "score": "65.98"
  }
]

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Generate realistic dummy data for database seeding, API testing, and frontend prototyping. Create custom datasets with names, addresses, emails, phone numbers, and custom field definitions.

>[x]Features

-100+ data types: names, emails, phones, addresses, companies, dates
-Custom schema editor for defining your own data structure
-Export as JSON, CSV, or SQL INSERT statements
-Bulk generation with configurable row count
-Locale-specific data formats (US, UK, DE, FR, JP, etc.)
-Consistent relational data across linked fields

>>Use Cases

>Seeding development databases with realistic test data
>Generating mock API responses for frontend prototyping
>Creating sample datasets for demo and training environments
>Testing database performance with large volumes of realistic data

Dummy Data Generator

Frequently Asked Questions