Mock Data Generators › Random Number Generator (Bulk)

Free Generator

Random Number Generator (Bulk)

Generate columns of random integers for test data and fixtures — in bulk, downloadable, and reproducible with a seed.

Generate Random Number (Bulk) →All generators

CSV exportJSON exportSQL exportSQLite exportno signup

Example output

65411425759281250228142

Deterministic: the same seed always returns the same values.

How to use it

Click "Generate" and pick how many rows you need
Add more fields (names, dates, IDs) to build a full table
Download as CSV, JSON, SQL, or SQLite
100% synthetic — safe for tests, demos, and tutorials

Open the generator →

Frequently asked questions

Are these number values real?

No. Every value is randomly generated and 100% synthetic — safe to use in tests, demos, tutorials, and public examples.

Is the number generator free?

Yes — generate and download with no signup and no account.

What formats can I download?

CSV, JSON, SQL (CREATE + INSERT), or SQLite — and you can combine this field with others (names, dates, IDs, …) in the builder.

More generators

Need 100k+ rows, an API, or no limits?

Join the Pro waitlist — bulk generation, JSON/SQL/Excel export, and a developer API for generating data on demand.