JR Trove
Free · Browser-only · No signup

Random Number Generator

Cryptographically secure random integers between any min and max. Batch up to 1000, optional unique-only mode, ascending/descending sort.

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1, 73, 2, 18, 88

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Inside the tool

What powers the Random Number Generator

Cryptographically secure (Web Crypto API)

Custom min and max range

Batch 1-1000 numbers

Unique-only mode (no duplicates)

Optional ascending/descending sort

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Built differently

Why the Random Number Generator is different

Browser-native

The Random Number Generator runs entirely in your browser. Input is processed locally — never uploaded, never logged, never cached anywhere outside your device.

No artificial limits

No daily quotas, no character ceilings, no "upgrade for more" walls. Every feature is the complete feature — the same on the first use as the thousandth.

Production-grade quality

Built to the same engineering bar as paid SaaS tools — accurate algorithms, audited logic, responsive design and accessibility-tested interactions.

Use Contexts

Common use contexts

  • Lottery and giveaway draws
  • Statistical sampling
  • Test data generation
  • Game mechanics (dice, cards)
  • Decision-making aid
Privacy by design

Private and secure

Zero upload

All processing happens in your browser. Input is never transmitted, logged or cached.

Works offline

Once the page loads, the tool runs without an internet connection. No network calls happen during use.

No tracking

No accounts, no cookies for tool state. Only aggregate analytics count visits at the page level.

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FAQ

Random Number Generator questions

Yes — uses crypto.getRandomValues, a cryptographically secure random source. Not Math.random (which is predictable).