Random Number Generator — Generate Random Numbers Online
Random Number Generator produces random integers or decimal numbers within a configurable min–max range. Generate up to 1000 numbers at once.
Common Use Cases
- Generating random numbers for simulations or sampling
- Creating random test values for applications
- Picking random winners in contests
Frequently Asked Questions
What does the Random Number Generator do?
Generate random integers or decimals within a custom range. Free, no sign-up, 100% client-side.
Does the Random Number Generator send my input to a server?
No. The Random Number Generator runs in your browser, so your input stays on your device.
Privacy & Security
This tool runs entirely in your browser using client-side JavaScript. No data is sent to a server — your input never leaves your machine. SmartDevBox has no account system, no usage tracking, and no paid tier. See the Privacy & Security page for full details.
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