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Random Number Generator

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📖 How to Use

Steps
  1. Set the minimum and maximum values (default 1-100)
  2. Set how many numbers to generate (default 1, max 100)
  3. Choose mode: Integer or Decimal
  4. Optional: Check "No repeats" for unique numbers
  5. Click "Generate" button
  6. Results display below, click copy to clipboard
Use Cases
🎲 Giveaways & Raffles

Use for lottery events, random winner selection

📋 Quick Decisions

Can't decide? Let the randomizer choose - where to eat, what to watch

🎯 Random Assignment

Randomly assign tasks, rooms, seats, etc.

💡 Tip: With "No repeats" enabled, quantity cannot exceed the range + 1

Generate random numbers within custom range. Integer or decimal mode, optional no-repeats.

What is a Random Number Generator?

A random number generator is an online tool that creates random numbers based on your specified range and quantity. Supports both integer and decimal modes, with optional no-repeat functionality.

Why Choose JieBang Random Number Generator?

Frequently Asked Questions

Is this calculator free to use?

Yes, all JieBang calculators are 100% free. No signup, no ads blocking results, no usage limits.

How accurate are online calculators?

JieBang calculators run JavaScript math in your browser with full floating-point precision. Results are as accurate as desktop calculator apps.

Can I use calculators on my phone?

Yes, all JieBang tools are mobile-responsive. They work perfectly on iPhones, Android phones, and tablets.