7 min read
2026-01-22
When developing applications, test data is constantly needed. Manual creation takes a lot of time, and using real data is unsafe.
| Category | Example Fields |
|---|---|
| Users | Name, email, phone, address |
| Products | Title, price, description, category |
| Transactions | ID, amount, date, status |
| Addresses | Country, city, street, zip code |
| Companies | Name, tax ID, industry, employees |
Choose a data type or create your own schema
Specify the number of records
Configure fields and their types
Generate data and copy the result
JSON array — for REST API and frontend
JSON Lines — for stream processing
Nested objects — for complex structures
Does not violate real user privacy
Easy to create any number of records
Controllable data parameters
Reproducible results
Create test data with the JSON Data Generator.
See also: Email Validator, Phone Validator, Checksum Calculator