Online RNG
Random Number Generator – Free Online RNG
Set a minimum and maximum, then generate a truly random whole number with unbiased browser cryptography.
How this random number generator works
This random number generator draws integers with rejection sampling so every value in your inclusive range is equally likely — no bias toward either end.
Use it for raffles, board-game substitutes, sampling IDs, or any “pick a number” moment when you do not want a mental shortcut.
Need dice faces specifically? Open the dice roller. Need a coin? Flip one.
Random number generator FAQ
Is this random number generator unbiased?
Yes. It uses your browser's cryptographically secure random number generator with rejection sampling, so every number in your range has an exactly equal chance — no bias toward either end.
What range can I use with the online RNG?
Any whole-number range, as long as the minimum is less than or equal to the maximum.
Does the random number leave my device?
Generation happens locally in the browser. You can copy the result if you want to paste it elsewhere.