What is Random Number Generator?
The Random Number Generator picks truly random numbers within any range you specify. This is one of the most-used online tools globally — used for lottery number picks, dice rolling, random selection in games, classroom activities, giveaway winners, A/B testing, and making fair decisions.
This generator uses JavaScript's Math.random() which provides cryptographically adequate randomness for most purposes. For security-critical applications (passwords, encryption keys), use a dedicated cryptographic random generator.
Common uses: pick lottery numbers (1-49 or 1-69), roll dice (1-6), coin flip (1-2), select a random student (1-30), pick a random winner from entries, generate random PINs, and more.
Formula
Random integer between min and max (inclusive): result = floor(random() × (max − min + 1)) + min Examples: 1-100: any number from 1 to 100 1-6: simulate dice roll 1-2: simulate coin flip (1=heads, 2=tails) 0-1: simulate yes/no 1-49: lottery number
How to use this Random Number Generator?
1. Set minimum value. 2. Set maximum value. 3. Choose how many random numbers to generate (1-20). 4. Results appear instantly. Refresh or change any input to generate new numbers.