Random Number Generator

In reality, the majority random numbersused in computers can be described as pseudo-random, which means they are generated in a predictable way with a mathematical formula. This is good for many applications, but it may not be as random as you'd expect it to be if you're used to lottery or dice roll drawings.

RANDOM.ORG offers true random numbersto any user on the Internet. The randomness originates from atmospheric noise. It is for many reasons is superior to random numberalgorithms commonly used in computer software. There are many people who use RANDOM.ORG to host drawings, lotteries and sweepstakes, to drive online games, to support applications that are scientific and also for art and music. It has been operating since 1998, and was designed by Dr. Mads Haahr, who is from the School of Computer Science and Statistics at Trinity College, Dublin in Ireland. Presently, RANDOM.ORG is operated by Randomness and Integrity Services Ltd.FREE services

Games and Lotteries

Lottery Quick Pick is perhaps the most played game on the internet with over the 280 lotteries KENOS Quick Pick for the popular game that is played across the world.
Coin Flipper will provide you with heads or tails in a wide range of currencies
Dice Roller does exactly what it is stated on the tin.
Gaming Card Shuffler allows you to choose cards out of multiple shuffled decks
Birdie Fund Generator will create birdie holes for golf courses
PAID service

Random Drawings

Q3.1 in the FAQ explains how you can select a winner from your giveaway.
Third-Party Drawing Service (TPDS) is the most effective solution for keep online random drawings
Step-by-Step Guide will show you how to hold drawings using the Third-Party Draw Service
Step-by-Step Video demonstrates how to hold a drawing using the Third-Party Draw Service
Price Calculator reveals precisely how much your drawing will cost
Drawing FAQ answers the most frequently asked questions about holding drawings
Public Records include all drawn drawings that have been completed dating back five years
Drawing Results Widget is used to display you winners to your website page
Multi-Round Giveaway Service for verified video giveaways
Services for free

Numbers

Integer Generator makes random numbers in variable intervals
Sequence Generator randomly generates an integer sequence of your choosing
Integer Set Generator creates numbers that are non-repeating.
Gaussian Generator makes random numbers to fit a normal distribution
Decimal Fraction Generator makes numbers in the [0,1] range with decimal decimal places configurable
Raw Random Bytes are beneficial for many cryptographic purposes
Services for free

Lists and Strings and Maps, Oh My!

List Randomizer will generate a random list of any information you've got (names, phone numbers, etc.)
String Generator generates random alphanumeric strings
Password Generator provides secure passwords for Wi-Fi, or even that additional Gmail account
Clock Time Generator can pick random times of the day
Calendar Date Generator picks random days over nearly three and a half millennia
Geographic Coordinate Generator will pick a random spot on our planet's surface
Bitmaps in black and white
Hexadecimal Color Code Generator can choose color codes, for example for use as web colors
Pregenerated Files can contain a lot of random bits you can download
Pure White Audio for recording or just use it to evaluate your recording equipment
Jazz Scales for practicing the improvisation of students of jazz guitar
Samuel Beckett's random-generated short prose
DNA Protein Sequence Randomizer (at Bio-Web)FREE services

Web Tools and Widgets for Your Pages

Integer Widget Wizard will put a mini-RANDOM.ORG on your site or blog
Drawing Widget Wizard will post the outcome of a purchased drawing on your web page or blog
HTTP API to extract true random numbers into your own code
Guidelines outline ways to avoid getting in trouble
Lists of banned hosts who didn't behave and have been blocked

Learn about Randomness

Introduction to Randomness provides an explanation of what random numbers are and why they're fascinating
History explains the way RANDOM.ORG was founded and where it stands today
Numerous Testimonials from people who have come up with very innovative uses for random numbers
Acknowledgements to all the generous folks who have helped out
Quotes about randomness in the sciences, the arts and in all aspects of life.
Media coverage and Scientific Citations lists popular print and scientific mention of the service
News about the most recent updates to the website

Statistics

Real-Time Statistics show how the generator is running right now.
Statistical Analysis explains how you examine random numbers for randomness
Bit Tally shows how much randomness has been generated since 1998 (hint that: lots!)
Your Quota will tell you how many random bits you have to work with today

Contact and Help

FAQ has answers to commonly asked questions
Newsletters are released on a random basis If you want to be notified, sign to receive it.
Contact details in case you want to reach us

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