Random Number
Generate random numbers in any range. Generate single or multiple random numbers, with or without repeats. Cryptographically secure.
About Random Number
Generate truly random numbers in any range using the Web Crypto API for cryptographic security. Choose min/max range, how many numbers to generate, and whether duplicates are allowed. Perfect for lottery picks, dice rolls, random sampling, and games.
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Your privacy is built in
Everything in Random Number runs locally in your browser — your data never leaves your device and is never uploaded to a server, so nothing you enter is stored or seen by anyone else. No account, no sign-up, no watermark, and completely free.
Frequently asked questions
Are the numbers truly random?
Yes — numbers are generated using the Web Crypto API (crypto.getRandomValues), which is cryptographically secure and truly unpredictable.
Can I generate unique numbers?
Yes! Enable "No repeats" to ensure every generated number is unique (useful for lottery picks).
What is the maximum count?
You can generate up to 1,000 random numbers at once.