Research Randomizer | Real‑time Scientific RNG

Uses Web Crypto API unless seed is set.

🛡️ 100% Client‑Side — Private

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✓ Web Crypto API · Mulberry32 PRNG · Live updates

📘 Research-Grade Randomness

Real‑time cryptographically secure random numbers. Set a seed for reproducible results — perfect for peer‑reviewed studies.

Is this truly random?

Uses Web Crypto API (cryptographic) unless a seed is set, then uses deterministic PRNG for reproducibility.

Can I reproduce results?

Yes. Enter any seed and the same settings will always generate the exact same sequence.

Is data uploaded?

No. Everything runs locally in your browser.