Random Number Generator

Instant results. Zero friction. Advanced options.

?
More Tools
🎲
Dice Roller
Roll any dice — D6, D20, custom sides
Free
🪙
Coin Flipper
Heads or tails, flip multiple coins
Free
🔑
Password Generator
Strong random passwords, any length
Free
📋
List Randomizer
Shuffle any list randomly
Soon
🌍
Timezone Converter
Convert time across timezones instantly
External
⏱️
Pomodoro Timer
Focus timer with custom intervals
Soon
How It Works

About This Tool

Uses the browser's crypto.getRandomValues() API for cryptographically strong randomness — not just a simple Math.random(). Results are truly unpredictable and suitable for games, giveaways, scientific sampling, and security purposes.

Common Use Cases

  • Lucky draw & giveaway winners
  • Classroom number picking
  • Game dice & random decisions
  • Statistical sampling
  • Unique ID seeds & test data
  • Fantasy sports drafts

Advanced Tips

  • Enable No Duplicates for lottery draws
  • Set Count to generate a batch at once
  • Use decimals for scientific precision
  • Keyboard shortcut: Enter or Space
  • Click any chip to copy a single number

Probability & Fairness

Every number in your specified range has an exactly equal probability of being selected. The generator is stateless — each click is independent of all previous results, ensuring no bias or patterns over time.