Random Number Generator

How to use the Random Number Generator

Enter your minimum and maximum values, then click "Generate number." The tool instantly returns a random whole number between those two values (inclusive). Click again to generate a new number.

Common uses

Random number generators come in handy for raffles and giveaways, picking a winner from a list, deciding who goes first in a game, generating sample data for testing, or settling a friendly disagreement. This tool uses your browser's built-in randomness, so every result is independent and unpredictable.

Frequently asked questions

Is this suitable for cryptographic or security purposes?
No. This generator is designed for everyday, casual use like games and giveaways. For security-sensitive needs such as generating passwords or encryption keys, use a tool specifically designed for cryptographic randomness, such as our Password Generator.

Can I generate multiple numbers at once?
Currently this tool generates one number per click. Click "Generate number" again for a new result each time.

Is my data stored anywhere?
No. This tool is part of the Toolyard collection of free, browser-based utilities. All calculations run locally in your browser — nothing you enter is uploaded to a server or stored anywhere.

How randomness is generated in a browser

This tool uses your browser's built-in random number generation to pick a number uniformly within the range you specify, meaning every number in that range has an equal chance of being selected. That's different from how humans tend to "randomly" pick numbers, which research shows is biased toward certain digits (7 is famously over-picked when people are asked to name a random number 1-10).

Where this gets used

Teachers picking a student at random to answer a question, raffle and giveaway organizers selecting a winning ticket number, researchers needing a random sample from a numbered list, and developers testing how their code handles arbitrary input all use a tool like this. It's also handy for simple decision-making — assign each option a number and let the generator pick.

Frequently asked questions

Can I generate multiple numbers at once without repeats?
Yes — this is useful for raffle draws or sampling, where you need several unique numbers from the same range rather than one number generated repeatedly.

Is this suitable for lottery or gambling use?
It's built for everyday randomization tasks; for regulated gambling or lottery contexts, use the official systems those platforms provide.