01
Set your min and max
Enter the lowest and highest values for the range, such as 1 to 100 for a raffle draw.
Random Number Generator
Generate custom lists of random numbers instantly. Set custom boundaries, select sorting preferences, toggle duplicates, and analyze sum/mean stats.
Numeric Generator
Random Number Generator
Display Style:
Sequence Parameters
Sorting Order
100% Secure & Private
Processed locally in your browser. No data is sent to our servers.
How to use
Use this random integer generator in three simple steps
Our workflow is designed to be straightforward, allowing you to complete your task in seconds.
02
Choose count and options
Pick how many numbers to draw, toggle duplicates on or off, and set sorting to none, ascending, or descending.
03
Generate and copy the list
Click generate for a cryptographically random set, then copy the numbers with their sum and average stats.
Range Limits
Set precise minimum and maximum boundaries for integer generation.
Duplicates Toggle
Choose to allow or forbid repeated numbers in the output.
Bulk Output
Generate lists of hundreds of random numbers simultaneously.
True Randomness
Uses reliable algorithms to ensure unbiased probability.
Use cases
Useful for different workflows
Giveaways & Raffles
Pick completely random winner positions from list catalogs.
Statistical Audits
Determine random audit samples in record rows.
Gaming Sessions
Roll multi-sided custom range numbers for virtual gaming.
Tool guide
What is a Random Number Generator?
A Random Number Generator (RNG) is an algorithm designed to produce a sequence of numbers that lack any predictable pattern. RNGs are used in statistics, computer modeling, gaming, lottery shuffles, and cryptographic keys.
PRNG vs. True Cryptographic Randomness
Standard programming math routines utilize Pseudo-Random Number Generators (PRNGs). PRNGs use mathematical formulas starting from a 'seed' value. If the seed is known, the entire sequence is predictable. Cryptographically Secure Pseudo-Random Number Generators (CSPRNGs) utilize entropy sources (like hardware noise or user interactions) to ensure values are unpredictable, which is vital for cybersecurity.
Common Use Cases for Random Numbers
RNGs are widely used in daily tasks. Teachers use them to select random students; researchers use them to assign samples in randomized clinical trials; statistics students use them to execute sampling shuffles; and game developers use them to determine drops and roll mechanics.
FAQ
Frequently asked questions
How are these random numbers generated?
Unlike simple generators that use Math.random(), our tool utilizes the Web Cryptography API (crypto.getRandomValues). This generates cryptographically secure, high-entropy integers directly in your browser.
Why does it error when duplicates are disabled?
If duplicates are disallowed, the quantity of numbers generated cannot exceed the total integers available in your min/max range. E.g., you cannot pick 6 unique numbers between 1 and 5.
Can I generate negative numbers?
Yes. You can enter negative values in the Min and Max fields (e.g. Min: -50, Max: -10) to generate negative numbers.
Can I generate a list of unique numbers with no repeats?
Yes. Turn off the duplicates option and the tool draws only unique values, as long as your range is large enough to supply the quantity you request.
Are the numbers I generate saved anywhere?
No. Generation happens entirely in your browser, so the numbers and ranges you use are never uploaded, logged, or shared.
From our blog
Generate Random Numbers Any Way You Need
Read the full guide behind the Random Number Generator and get the most out of it.
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