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Random Number Generator
Generate truly random numbers within any range you choose.
Generated Numbers
Quick Presets
Frequently Asked Questions
Is this random number generator truly random? ▼
This tool uses the browser's built-in crypto.getRandomValues() API, which produces cryptographically secure random numbers — far more random than Math.random().
What is the maximum number of numbers I can generate? ▼
You can generate up to 500 numbers at once. With no-repeat mode, the count cannot exceed the size of the range (max − min + 1).
Can I generate random numbers without repeats? ▼
Yes. Toggle the 'No repeat numbers' switch before generating. The tool will produce unique numbers within your range using a shuffle algorithm.
How do I pick lottery numbers? ▼
Use the 'Lottery (1–49, pick 6)' preset. It generates 6 unique random numbers between 1 and 49 — just like a standard lottery draw.
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