Test Data Tools

Mock Data Generator

Mock Data Generator creates mock rows in your browser — choose fields, set a count and seed, and export JSON, CSV, TSV, or SQL.

Client-sideRuns entirely in your browser — your data never leaves your device.

Mock Data Generator is a free Test Data Tools utility that runs entirely in your browser — nothing you enter is uploaded.

Output

How to use Mock Data Generator

  1. Start by adding the text you want to generate into Mock Data Generator.
  2. Tune the Rows, Format, Seed (optional) controls before you generate.
  3. Click Generate to generate it instantly in your browser.
  4. When it looks right, Copy to save it.

About this tool

There is no server behind Mock Data Generator. Mock Data Generator handles your input locally and returns the result instantly, with no sign-up.

It is designed to do one job well and stay out of your way. No data is sent anywhere, so it stays fast and private by default.

Frequently asked questions

How do I use Mock Data Generator?

Mock Data Generator lets you generate your input right in the browser using the Rows, Format controls, with the result shown instantly and nothing uploaded.

Do I need an account for Mock Data Generator?

No — Mock Data Generator needs no account, sign-up or installation.

Does Mock Data Generator upload my data?

No — Mock Data Generator processes everything locally in your browser, so nothing you enter is uploaded or stored.

Does Mock Data Generator work offline?

Once the page has loaded, Mock Data Generator keeps working with no network connection.

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All product names, logos, and trademarks are the property of their respective owners. This is an independent tool and is not affiliated with, endorsed by, or sponsored by any of them.