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Random Number Generator

Generate secure random integers or decimals with custom ranges and filters.

Random Number Generator

Generate secure random integers or decimal numbers.

Customize the range, quantity, precision, uniqueness, and output order.
1

Generator Settings

Set the number format, range, and quantity.

Number Type
Number Rangeto
Number of Results
10

Ready to generate.

2

Generated Numbers (0)

Click a result to select it.

Generate numbers to see your results.

3

Advanced Filters

Optional filters are applied before the final result is created.

?How it works

  1. Choose integers or decimals.
  2. Set the range and quantity.
  3. Add optional filters.
  4. Generate, select, copy, or download.

✓Your Privacy, Our Priority

  • Secure randomness is generated locally.
  • No results are stored.
  • No data is sent to our servers.

▣Features

  • Integers and configurable decimals
  • Unique values and bound inclusion
  • Sorting and text-based filters
  • TXT and CSV exports
Practical guide

Using Random Number Generator with confidence

Reviewed by LipiCode Editorial Team

What this tool helps you do

A random-number generator samples within a chosen range and can enforce uniqueness or numeric type. The appropriate randomness source depends on whether the result is for casual simulation or a security-sensitive decision.

When it is useful

  • Creating test values
  • Making a casual random selection
  • Sampling unique integers
  • Demonstrating probability

A practical example

For ten unique integers from 1 through 100, enable uniqueness and confirm the range contains at least ten possible values.

Limitations and common mistakes

No interface can make an impossible unique request succeed. Rounded decimals can introduce visible bias, and casual browser randomness should not automatically be used for lotteries, keys, or regulated drawings.

Frequently asked questions

Can results repeat?

Yes unless unique-results mode is enabled and the range can support the requested count.

Is this suitable for cryptographic keys?

Use a dedicated cryptographic key generator and reviewed platform API for security credentials.

See how LipiCode produces and reviews results →