Free CSV & JSON Test Data Generator
Generate realistic fake data instantly for software testing, database seeding, API mocking and QA automation.
Available Test Data Tokens
Use the following test data tokens to generate realistic fake CSV and JSON datasets for APIs, databases, software testing, QA automation and development environments.
| Token | Description | Example |
|---|---|---|
| {ID} | Incrementing numeric ID | 1 |
| {Guid} | Random GUID | 550e8400-e29b-41d4-a716-446655440000 |
| {Bool} | Random true/false value | true |
| {RandomFirstName} | Random first name | James |
| {RandomLastName} | Random surname | Smith |
| {RandomEmail} | Random email address | john@example.com |
| {RandomDoB} | Random date of birth | 1984-02-15 |
| {UKRandomNI} | Random UK National Insurance number | AB123456C |
| {RandomNumber} | Random integer | 483920 |
| Free Text | free text 1,@,name,x | |
| Null | Null value | Null |
How to Generate Fake Test Data
Enter your column names on the left and matching tokens on the right. Each line represents a column in the generated dataset.
Choose CSV or JSON output format, select the number of rows and instantly generate realistic fake data for development and testing.
This tool is ideal for generating database seed data, API responses, automated testing fixtures, mock customer data and demo datasets.
Example Test Data Configuration
Headers:
Id
FirstName
LastName
Email
Tokens:
{ID}
{RandomFirstName}
{RandomLastName}
{RandomEmail}
Common Uses
Popular test data generator use cases include software testing, QA automation, API development and frontend prototyping.
Database seed data generation
Mock API response generation
CSV import testing
QA automation fixtures
Frontend development mock data
JSON payload testing
FAQ
What is a test data generator?
A test data generator creates realistic fake data for software testing, QA, development and demos.
Can I export CSV and JSON?
Yes. This tool supports CSV and JSON output formats.
Is the generated data real?
No. All generated data is fake and randomly created for testing purposes only.
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