Random Number Generator
Draw random integers from a range, with or without repeats, using a cryptographic random source.
Output
Generated locally, every time
Values are produced in your browser with crypto.getRandomValues, the same source the platform uses for TLS key material. Nothing is requested from a server, so no generated value has ever existed anywhere else.
Press the button again for a fresh batch, or raise the count to copy a whole column at once.
Frequently asked questions
Can I generate a large batch?
Up to a thousand at a time. Everything runs locally, so the limit is only about keeping the page responsive.
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