Random Birthday Generator

What this generator does

This makes up random birthdays. You give it a start date, an end date, and how many you want, and it hands back that many random dates spread across the range. It is built for filling in believable dates of birth, the kind you need when you are testing an app, putting together a demo, or running a game that calls for made-up people.

How to use it

1. Start Date and End Date. The range the birthdays should fall within.
2. Number of Birthdays. How many to generate.

Press Calculate and the list of random birthdays appears, each as a full date.

Using the range to set the ages

The two dates do more than bound the output, they decide how old your made-up people are. If you want adult users, set the range to something like 1970 through 2005, and every birthday will fall in that window, giving ages that make sense for the kind of account or profile you are filling. Want a group of children for a school demo? Set a recent range instead. Picking the dates thoughtfully is how you get test data that looks plausible rather than random noise.

Where it comes in handy

Mostly in building and testing. Seeding a database or a form with sample users who need a date of birth, populating a demo so it does not look empty, or generating characters for a game or a story. Anywhere you need a batch of believable birthdays without inventing each one by hand, this saves the effort.

A note on the randomness

The dates are produced with ordinary random number generation, which is exactly right for test data, demos, and games. It is worth saying that this is not the kind of secure randomness you would want for anything sensitive, like generating passwords or security tokens, so keep it to mock data and playful uses, which is what it is for.

Questions people ask

Can I generate more than one at a time?

Yes. Set the number of birthdays and it returns that many at once, all within your chosen range.

How do I control the ages?

Through the date range. The birthdays only fall between your start and end dates, so choosing those sets how old the made-up people will be.

Are these real people's birthdays?

No. They are randomly generated dates with no connection to anyone, which is what makes them safe to use as test data.

What if I just need random dates, not birthdays?

A random date generator does the same thing framed for general dates rather than dates of birth, which suits events, records, and other date fields.