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Generate Bulk Data for Load Testing

Produce large datasets to stress-test imports, queries, and pipelines.

No login required

Fields

5 columns

πŸ’‘ All data is randomly generated in your browser β€” no rows limit, no account, nothing uploaded. Names, companies, and addresses are fictional and any resemblance to real data is coincidental.

load testing tips

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Generate up to 10,000 rows at a time β€” run it a few times for very large datasets.

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Use NDJSON or CSV for the most efficient bulk-import paths into databases and warehouses.

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Mix data types that mirror production so your load test exercises realistic row sizes.

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No real data and no uploads β€” generate as much synthetic data as you like.

How It Works

1
Enter
Enter your data into the tool above. Everything stays local to your browser.
2
Process
The tool processes your data instantly in your browser using JavaScript. No server, no waiting.
3
Download
Get your result instantly. Nothing is stored after you leave the page β€” complete privacy.

Why use ours?

βœ“Completely free β€” no hidden costs, ever
βœ“No account, email, or login required
βœ“Files never leave your device
βœ“No file size limits whatsoever
βœ“No watermarks on any output

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Frequently Asked Questions