Random Number Generator

Generate truly random numbers for sampling, research, lottery picks, and sequences.

Settings
Generated Numbers

Your random output

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Count
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Average
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Sum
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How to Use the Free Online Random Number Generator

A fast, versatile, and unbiased number picker built for prize raffles, sampling research, gaming, giveaways, and lottery picks.

Single Number

Need a quick decision maker, dice roll alternative, or coin flip? Set your lower and upper bounds to generate a single unbiased value instantly.

Multiple Numbers

Generate a sequence of numbers for statistical research or giveaways. Toggle duplicate allowances, sort results, or add decimal precision up to 3 places.

Lottery Numbers

Simulate lotto draws by picking unique numbers from a pool (e.g., 6 numbers between 1 and 49 or 5 numbers between 1 and 70) with zero duplicate values.

Advanced Customization Features

  • Custom Range: Set negative or positive boundaries (e.g., -50 to +50 or 1 to 1,000,000).
  • Decimal Control: Choose integers (0 decimals) or floating points with 1, 2, or 3 decimal places.
  • Duplicate Prevention: Ensure each selected number appears only once in the dataset.
  • Auto Sorting: Automatically sort results in ascending order for easier reading.
  • Instant Stats: Real-time display of dataset Count, Total Sum, and Mean Average.

Popular Everyday Use Cases

  • Raffles & Contests: Pick fair, transparent winners for social media giveaways and door prizes.
  • Statistical Sampling: Select randomized survey respondents without human selection bias.
  • Board Games & D&D: Roll virtual polyhedral dice (d6, d20, d100) on your phone or laptop.
  • Classroom Activities: Teachers can randomly pick students for questions, teams, and presentations.

Frequently Asked Questions

Answers to common questions about random number generation and fairness.

The tool uses a cryptographically secure pseudo-random algorithm to pick completely unbiased numbers within your specified minimum and maximum bounds.

Yes. Simply uncheck the 'Allow Duplicates' option in settings. The generator will ensure every picked number in your list is completely unique.

Yes. Under Decimal Places in the settings, select 1, 2, or 3 decimals to generate precise floating-point random numbers.

The Lottery mode lets you specify how many balls/numbers you want to draw (e.g., 6) from a custom pool (e.g., 1 to 49) without repetition, sorted automatically.

Whenever multiple numbers are generated, the tool automatically calculates and displays the total count, arithmetic average (mean), and sum of the generated set.