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Random Birthday Generator

Generate random dates of birth for people of a given age range — with the age they’d be today — for test data, forms and characters.

  • Made in your browser
  • Fair, cryptographic randomness
  • Copy all in one click

Your birthday

Generated in your browser. Press Space to generate again.

Random Birthday API

A dedicated public endpoint for Random Birthday Generator is not available yet. The RandNext API currently supports random jokes, quotes, questions and words.

View available API endpoints →

You might also like

Random Age GeneratorAn age for characters and test data.Random Date GeneratorAny date range, weekdays or weekends only.Random Name GeneratorUp to 50 names at once, copy them all.

How to use it

  1. 1Set the youngest and oldest age.
  2. 2Pick a date format.
  3. 3Press Generate and copy the dates.

FAQ

How is the age worked out?

From today’s date, so someone shown as “age 30” has had their 30th birthday and not yet their 31st.

Is it really random?

Yes. Values come from your browser’s cryptographic random source, and every possible value has the same chance.