RANDOM.ORG offers true random numbers to anyone on the Internet. The randomness comes from atmospheric noise, which for many purposes is better than the pseudo-random number …

Create files with up to 20 million random values to your specification, e.g., promotional codes for printing or numbers for scientific simulation.

This page allows you to randomize lists of strings using true randomness, which for many purposes is better than the pseudo-random number algorithms typically used in computer …

Generate random integers (ℤ) in configurable intervals from a uniform distribution, using true randomness from atmospheric noise, which for many purposes is better than the pseudo …

This page allows you to generate random integers using true randomness, which for many purposes is better than the pseudo-random number algorithms typically used in computer …

This page allows you to quick pick lottery tickets using true randomness, which for many purposes is better than the pseudo-random number algorithms typically used in computer programs.

RANDOM.ORG offers a wealth of randomizers, all based on true randomness generated from atmospheric noise. Most of our services are free, but a few are paid. All are free of advertising.

RANDOM.ORG is a true random number service that generates randomness via atmospheric noise. This page explains why it's hard (and interesting) to get a computer to generate proper …

RANDOM.ORG's Maker Tools lets you make your own randomizers and share them with the world. No programming is required, and the tools are so easy to learn that you can make your …

This page allows you to generate randomized sequences of integers using true randomness, which for many purposes is better than the pseudo-random number algorithms typically used …