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乱数生成

指定範囲内の乱数を生成。

Features

  • Generate random numbers instantly within any custom minimum and maximum range.
  • Choose to generate unique numbers without duplicates for contests and giveaways.
  • Allow the generation of multiple random numbers at once to save time.
  • Enjoy a clean, mobile-friendly interface that works seamlessly across all devices.
  • Rest assured knowing all generation happens locally in your browser for complete privacy.

How to Use

  1. Enter your desired minimum value in the 'Min' field.
  2. Enter your desired maximum value in the 'Max' field.
  3. Select how many random numbers you want to generate.
  4. Check the 'no duplicates' option if you need entirely unique results.
  5. Click the 'Generate' button to instantly view your random numbers.

Frequently Asked Questions

How does a random number generator work?

Our tool uses your browser's built-in pseudo-random number generation algorithms to instantly produce mathematically fair results. It ensures that every number within your specified range has an equal probability of being selected.

Can I generate multiple random numbers at once without duplicates?

Yes, you can easily generate a list of multiple numbers at the same time. Simply check the 'No duplicates' box before clicking generate to ensure all the numbers in your results are entirely unique.

Is this random number generator truly random?

For everyday use, games, and giveaways, our pseudo-random number generator provides excellent statistical randomness. If you require cryptographic security, you should use a dedicated hardware random number generator.

Can I use this tool to pick a winner for a contest?

Absolutely, this tool is perfect for randomly selecting contest winners, raffle draws, or assigning prizes. Just set your range to match your ticket numbers or participant list and generate a result.

Does this random number generator cost money to use?

No, our random number generator is completely free to use with no hidden fees or usage limits. You do not even need to create an account or download any software to access it.