Random Number Generator

Generate cryptographically-strong random numbers in any range, optionally without repeats, plus dice and coin.

About the Random Number Generator

Random Number Generator is a free tool in the Math & Scientific Calculators section that runs entirely in your browser, so nothing is uploaded to a server. People often search for it as "random number generator", "dice roller", "coin flip". Once you have your result, continue with Random Picker Wheel & Name Selector, Strong Password Generator and UUID / GUID v4 Generator, or browse all Math & Scientific Calculators tools (7).

How to use Random Number Generator:

1Set min, max and how many numbers you need.
2Enable "No repeats" for draws.
3Press Generate, or try the dice and coin.

Frequently Asked Questions

Which tools complement the Random Number Generator?

Random Picker Wheel & Name Selector: Pick a random winner from a list of names or draw random numbers with zero bias. — Strong Password Generator: Generate strong, cryptographically secure random passwords with customizable length and… — UUID / GUID v4 Generator: Generate cryptographically random UUID/GUID version 4 strings in bulk or single format.

Where can I find more Math & Scientific Calculators tools?

The Math & Scientific Calculators section has 7 free tools, including Scientific Calculator, Average, Median & Mode Calculator and Fraction Calculator.

Are numbers truly random?

They use crypto.getRandomValues, a cryptographically secure source, with rejection sampling to avoid bias.

Maximum count?

1000 numbers per run.

Why Snpati Tools?

Instant execution client-side
100% Client-side privacy
Mobile and tablet responsive
Completely free without sign-up

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