Non-Repeating Number Generator

Generate unique random numbers perfect for raffles and draws.

About this tool

Set range and quantity (Range must be > Quantity), then click 'Generate'....

What is a Non-Repeating Number Generator?

A Non-Repeating Number Generator produces a set of unique random numbers where no value appears more than once. This is crucial for fair raffles, lottery draws, bingo games, and assigning unique identifiers where duplicates would cause errors or unfairness.

How to Generate Unique Random Numbers

1

Define Constraints

Set the Minimum and Maximum values. Ensure the range (Max - Min + 1) is larger than the Quantity.

2

Set Quantity

Enter how many unique numbers you need.

3

Generate

Click 'Generate Result' to get your list of unique values.

Frequently Asked Questions

Why do I get an error about the range?

You cannot generate more unique numbers than exist in the range. For example, you can't pick 5 unique numbers between 1 and 3.

Is this suitable for lotteries?

Yes, this tool ensures that every number drawn is unique, exactly like a lottery ball machine.

How many numbers can I generate?

You can generate up to 1000 unique numbers at a time, provided your range is large enough.

Security & Privacy

Fair and private generation on your device.

No Server Storage
Mathematically Fair
Instant Results
Private