5 min read
2026-03-01
Fill mockups with realistic data before the backend is ready. Designers and frontend developers can work in parallel with the server team.
Generate thousands of records to test API and database performance under load.
Populate a product demo with realistic data for showing to clients and investors.
Create datasets for educational projects and programming courses.
Generate input data for unit tests and integration tests. Cover typical and edge cases.
REST API: creating resources via POST requests
GraphQL: populating test resolvers
DB: seed scripts for migrations
Create data with the JSON Data Generator.
See also: Checksum Calculator, URL Validator, Phone Validator