Can min be greater than max?

The calculator automatically swaps the values if entered in reverse order.

Random Number Generator

Generate a random whole number within a specified range, useful for games, raffles, or sampling.

Inputs

Results

Try an example

Formula

Uniform random integer in [min, max]

Randomness Explained: How Password and Number Generators Work

The difference between cryptographic and ordinary randomness, and why password length matters more than complexity rules.

Why Password Length Beats Complexity Rules

The combinatorics behind password strength, and why cryptographically secure randomness matters more than symbol requirements.

Password Generator

Generate a strong, random password with customizable character sets.

UUID Generator

Generate a random version 4 UUID.

Lorem Ipsum Generator

Generate placeholder Lorem Ipsum text for mockups and designs.

Coin Flip Simulator

Flip a virtual coin, or simulate flipping many coins at once.

Dice Roller

Roll one or more virtual dice with any number of sides.

Random Letter Generator

Generate one or more random letters of the alphabet.