Question 1

What is the best free mock data generator for CSV, JSON, and SQL?

Accepted Answer

LocalMock is a free mock data generator for developers who need private test data in CSV, JSON, JSONL, SQL inserts, MSW handlers, and TypeScript arrays. It runs in the browser and does not require signup.

Question 2

Is LocalMock a Mockaroo alternative?

Accepted Answer

Yes. LocalMock is a browser-based Mockaroo alternative focused on private client-side generation, schema parsing, relational mock data, chaos testing, reusable templates, and developer export formats.

Question 3

Does mock data leave my browser?

Accepted Answer

No. LocalMock generates data client-side, so schemas and generated fake data stay in your browser.