How does the random number generator work?

Set the range (min and max), choose how many numbers to generate, and pick unique or duplicate mode. The tool generates cryptographically secure random numbers instantly.

What is crypto-secure mode?

Crypto-secure mode uses the browser's crypto.getRandomValues() API for cryptographically strong randomness, suitable for raffles, lotteries, and security-sensitive use cases.

What is the spin wheel?

The spin wheel is a visual animation that randomly selects a number from your range, making it fun for draws and games.

Yes, completely free with no usage limits.

Can I generate numbers from multiple ranges at once?

The tool generates numbers from a single range at a time. Set your min and max, choose how many numbers to generate, and enable unique mode if you need non-repeating values.

Free Tool — Crypto-Secure RNG with Spin Wheel

Random Number Generator

Generate random numbers with duplicates or unique mode, decimals, crypto-secure randomness, sort options, and a fun spin-wheel reveal.

Min Value

Max Value

How Many Numbers

Options

Unique numbers (no duplicates)

Include decimals

Decimal places:

Crypto-secure (Web Crypto API)

Click Generate to get random numbers

Why Use AFFLIGO?

100% Private

Your numbers stay in your browser. Nothing sent anywhere.

Crypto-Secure RNG

Use Web Crypto API for truly random numbers.

Spin Wheel Reveal

Generate single numbers with a fun animated slot-machine effect.

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How to Use Random Number Generator

Step 1

Set Range

Enter minimum and maximum values for your random number range.

Step 2

Choose Options

Toggle unique/duplicate numbers, decimals, or crypto-secure Web Crypto mode.

Step 3

Generate & Copy

Click Generate, sort results, or use the animated spin wheel for single numbers.

Frequently Asked Questions

How random are the numbers?

Uses cryptographic random number generation (Web Crypto API) for truly random, unpredictable results.

Can I generate unique numbers?

Yes, choose between duplicate or unique mode for your generated numbers.

What ranges are supported?

Set any minimum and maximum value. Supports integers and decimals up to 5 decimal places.

Is there a spin wheel mode?

Yes, use the interactive spin wheel for an animated visual reveal of your single random number.

Can I generate multiple numbers at once?

Yes, generate up to thousands of random numbers at once and sort or format them easily.