🎲Generators
Random Number Generator
Generate cryptographically random numbers in any range. Single number, list of numbers, dice roller, coin flip, and random item picker — all in one free tool.
Was this result accurate?
How it works
This random number generator runs entirely in your browser — no data is sent to any server. Simply fill in the fields above and the result updates instantly. You can copy the output with the copy button provided.
Frequently Asked Questions
Is the random number truly random?
Yes. The tool uses the Web Cryptography API (crypto.getRandomValues) which provides cryptographically secure random numbers, unlike Math.random().
Can I generate multiple random numbers at once?
Yes. Use the 'List' mode to generate a batch of unique or repeatable random numbers in any range.
What is the largest number I can generate?
The tool supports numbers up to Number.MAX_SAFE_INTEGER (9,007,199,254,740,991) using BigInt for ranges beyond standard integers.