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FREE ONLINE GENERATOR

Random Number Generator

Generate one or more random whole numbers inside a safe-integer range. Allow duplicates or require every result to be unique, then copy the list.

Free to use No signup Works in your browser
FREE ORENVU TOOL

Random Number Generator

Whole numbers only, within JavaScript’s safe integer limits. Reversed endpoints are automatically swapped. Results stay in your browser.

Random result—

Choose your range and generate numbers.

HOW IT WORKS

Use the random number generator in seconds

Use the generator for drawings, classroom activities, games, testing, sample selection, and quick decisions. Results are created with the secure random values available in your browser rather than a predictable sequence. Whole-number endpoints must be within ±9,007,199,254,740,991, and each draw can contain 1–100 results. Reversed endpoints are automatically swapped.

WORKED EXAMPLE

Random Number Generator: an example

Use a range from 1 to 6 to generate values within a six-sided die’s range.

FREQUENTLY ASKED QUESTIONS

Random Number Generator FAQ

How do I generate a random number?

Enter the lowest and highest allowed values, choose a quantity, then select Generate numbers.

Can I prevent duplicate numbers?

Yes. Turn on unique numbers. The requested quantity must not exceed the size of the range. Unique draws select without replacement.

Are the results cryptographically random?

The tool uses the secure random-value function supplied by modern browsers.

COMMON USES

What you can do with this tool

01

Pick a random number in a custom range

02

Generate several unique random numbers

03

Copy a random-number list