Last updated: March 2026
What Is the Number Randomizer?
A free number randomizer with cryptographic security. Set any range, generate multiple numbers with or without repeats, roll standard RPG dice, flip coins, or pick lottery numbers with presets for Powerball and Mega Millions.
Frequently Asked Questions
Is it truly random?
Yes. Uses crypto.getRandomValues() for cryptographically secure randomness.
What dice types are supported?
d4, d6, d8, d10, d12, d20, and d100.
Can I generate without repeats?
Yes. Toggle off 'Allow duplicates' in Multiple Numbers mode.