This form generates random number lists between one and eight digits long. Optionally, the random number generator can add zero-padding to the random number lists to pad them up to the maximum number of characters in the range of random numbers. Lists of random numbers can be useful for serial numbers, coupons, contests, random unique id numbers, and more. Simply input your random number list criteria, and then copy and paste your list of randomly generated unique numbers from the results page.

Although many random number generators are available on the internet, a quick search didn't find any that did just what this random unique number generator does. So I created this - a very basic random number generator that produces lists of up to 9,999 unique numbers from one to eight digits. Simply input your details, copy the output into your favorite spreadsheet or database program like Microsoft Excel, Open Office, Star Office, Google Docs, Microsoft Access, iWork, or any text editor program. There's no need to register or sign up, and absolutely no cost to use this free online unique random number generator. Enjoy!