Generate one or many random numbers within a range you set, optionally forcing them to be unique — great for draws, sampling and testing. Uses your browser's secure random source. Nothing is stored.
Random Number Generator is a quick, fair and genuinely fun tool that works instantly in your browser using a secure random source.
Yes — it uses crypto.getRandomValues.
Enable the option; the range must be big enough.
No — local only.
Uses your browser's cryptographically secure random source.