Random Number Generator
Generate cryptographically strong random integers or decimals in a custom range.
Result
—
Set your range and click Generate.
Each value is drawn uniformly from the inclusive range using the Web Crypto API for strong randomness.
Choose the inclusive range.
Integers or decimals; how many to generate.
Regenerate anytime; copy results as needed.
Classroom raffle numbers.
Five integers each between 1 and 10 inclusive.
Min greater than max
Fix: Swap or correct the bounds.
Expecting uniqueness
Fix: Duplicates are allowed unless you filter them yourself.
Using Math.random for secrets
Fix: This tool uses crypto.getRandomValues instead.
Generate cryptographically strong random integers or decimals in a custom range.
Result
—
Set your range and click Generate.