Generate one or many random numbers in any range, with or without repeats, using a cryptographically secure generator.
Numbers come from your browser's cryptographically secure random generator (Web Crypto), with rejection sampling so every number in the range is equally likely. Nothing is sent to a server.
Use it for raffles, picking winners, games, sampling or choosing a number between 1 and 10.
Yes. It uses the same secure generator browsers use for encryption keys.
Yes: set the range and count, and turn on No repeats. Every combination is equally likely, so no pick improves your odds.