Lorem/mock data generator · Guide
Mock Data Generator Online: Sample JSON for Tests
A mock data generator produces realistic-looking sample records — names, emails, roles — as JSON you can drop into tests and prototypes. This guide covers what good mock data looks like and how to use it.
Realistic placeholder data
Good mock data resembles the real thing in shape and variety without being real. The generator produces a set of records with plausible names, emails and fields, formatted as a JSON array ready to paste.
Where it helps
Use mock data to populate a UI before the API exists, to seed tests with predictable records, or to demo a feature with believable content instead of "foo" and "bar".
Frequently asked questions
Is the generated data real?
No. It is synthetic placeholder data that only looks realistic. It is safe to use in tests and demos because it does not correspond to real people.
Ready to try it?
Open the free browser-based Lorem/mock data generator and apply what you just read — no sign-up, runs locally.
Open the Lorem/mock data generator tool