Random Number Generator
Generate random integers or decimals in a range, with or without repeats.
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How to use the Random Number Generator
- Open the Random Number Generator.
- Enter your input in the fields provided - results update as you type where practical.
- Use Copy or Download to take the result with you, or Reset to start again.
About this Random Number Generator
Use this random number generator to draw winning numbers for a giveaway, pick a lottery line, assign random tasks or settle a game. Draws use your browser's cryptographic randomness (crypto.getRandomValues), you can prevent repeats, and results can be copied in one click.
How it works
Uses crypto.getRandomValues for integers (suitable for most uses, not a substitute for a audited CSPRNG service in regulated contexts) and shows the full result list.
Privacy note: this tool runs locally in your browser. Your input is not uploaded, stored in analytics, or placed in the page URL.
Frequently asked questions
Is the Random Number Generator free?
Yes. It is completely free, needs no account, and runs in your browser.
Is my data uploaded when I use the Random Number Generator?
No. Processing happens locally on your device. We do not upload your inputs, files or generated passwords.
How does the Random Number Generator work?
Uses crypto.getRandomValues for integers (suitable for most uses, not a substitute for a audited CSPRNG service in regulated contexts) and shows the full result list.