Random Birthday Generator

Get our free app Age and Next Birthday Calculator

Calculate your exact age or find out the age difference between two people.

Use our Random Birthday Generator to instantly generate realistic birth dates based on a specific age range or a custom year interval. For example, you can define an age range such as 18–30 years or select a period like 1984–2000. In addition to generating random birth dates, the tool automatically calculates the exact age in years, months, and days. It is ideal for creating fictional characters, generating sample data, and running system or form validation tests.

How does the random birthday generator work?
Choose how you want to generate a birthday: by age range (for example, 25–35 years) or by birth year range (such as 1990–2000). Enter the minimum and maximum values and click generate. The tool instantly creates a random birthday and calculates the precise age in years, months, and days based on today’s date.

What are the best uses for a random birthday generator?
This tool is ideal for developers testing registration forms and age validation, writers and game designers creating realistic characters, database administrators generating sample data, educators building example datasets, and researchers who need anonymous demographic information.

Is this random birthday generator free?
Yes. This random birthday generator is completely free to use, with no registration, limits, or hidden fees. You can generate unlimited birth dates directly in your browser.