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Online Birthday Generator

Select an age and get a valid birthday for that age.

Birthday
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Computed age: -

How it works

  • We compute the valid date range for the selected age.
  • We pick a random day between those boundaries.
  • The computed age shown is based on today’s date.

Frequently Asked Questions

What format is used?

YYYY-MM-DD for easy copy into forms and applications.

What is the valid range for age?

0 to 120. Values outside this are clamped to 30 by default.