Random number generator creates sequences of digits in a specific range or from a list

Number range can be from minus to plus 999,999,999

Numbers can be separated by space, comma or new line

Numbers quantity

Options

Creates a downloadable image with the results

Pick 12 Random Numbers

The 12 Random Number Generator creates exactly 12 numbers in a given range in a single operation. Suitable for giveaways with 12 winners, games, and statistical samples.

12 numbers in one generation. You can set the range, exclude duplicates, and sort the result. Zero-knowledge architecture.

Crypto.getRandomValues() API ensures true randomness. All calculations happen client-side — data is not sent to the server. The tool works without the internet.

Features

  • Exactly 12 numbers in one generation
  • Customizable number range
  • No duplicates
  • Zero-knowledge: data never leaves your device
  • Crypto.getRandomValues() API — true randomness
  • Instant result copying

Get 12 random numbers in four steps

The intuitive interface lets you get results in seconds.

01

Choose the quantity

The 12-number mode is already selected. You will get exactly 12 random numbers.

02

Set the range

Set the minimum and maximum values. The tool adapts to your range.

03

Start generation

Press the button. The cryptographically strong algorithm creates 12 random numbers.

04

Copy the result

Numbers appear instantly. You can copy them one by one or all at once.

Where 12 random numbers are needed

Random numbers are used for many tasks.

Giveaways

Pick 12 winners from a list of participants. Fair random selection with cryptographically strong generation.

Games

Generate 12 random numbers for board games, RPGs, and card games with numeric values.

Statistics

Random sample of 12 items for statistical research and lab work.

Testing

12 random numbers for testing algorithms, filling databases, and generating test data.

12 Random Number Generator

Exact quantity — fair randomness.

Guaranteed quantity

Each generation yields exactly 12 numbers. No more, no less.

Zero-knowledge architecture

Client-side generation. Numbers are not sent to the server. Complete privacy.

Convenient copying

Each number is a clickable chip. Copy as a list in your desired output format.

No limits

Generate as many times as you want. The tool is completely free, no registration required.

About 12 Random Numbers

What does 12 numbers mean?

Each generation creates exactly 12 random numbers in a specified range. Numbers may repeat if the no-duplicates option is not enabled.

Can I exclude duplicates?

Yes, the "no duplicates" option guarantees all 12 numbers are unique within a single generation.

What range can I set?

Any range from -999,999,999 to 999,999,999. The minimum and maximum values are adjustable.

Can I sort the result?

Yes, sorting in ascending or descending order is available. Convenient for analysis and number comparison.

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