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A free random birthday generator that creates random dates of birth within any age range, perfect for test data, mock profiles, and party games. It is brought to you by TestMu AI, the team behind a unified software testing platform.
1–1000 birthdays at a time
Ages are calculated from today's date
Reset
A random birthday generator is a tool that helps you generate random dates of birth across any age range you choose. Since QA testers, content creators, and designers often need realistic placeholder birthdays for forms and profiles, a random birthday generator or DOB generator gives you valid dates in seconds. Using a free random birthday generator, developers and game designers can quickly generate random birthdays for test data, mock profiles, or character bios.
With an online random birthday generator, you can set min and max ages or a birth year span and generate one or many random birthdays. These tools also help when you need to generate random dates of birth for usability testing, fake user accounts, or birthday party games. Most random birthday generators run directly in the browser, so DOB generation takes one click and zero setup.
Follow the steps below to generate random birthdays in just a few seconds.
These benefits make random birthday generators essential for testers, designers, and content creators.
Here are the key features of the random birthday generator that help you create realistic DOBs.
Here are common ways testers and creators use the random birthday generator.
Once a batch of dates of birth becomes a dataset, the R Code Generator can draft the R script that reads it in and charts the age spread, so the distribution can be checked rather than eyeballed.
For cases where a full date of birth is more detail than a test needs, the Random Year Generator produces a list of unique birth years inside a range you choose, and the results can be copied or downloaded as a text file.
A random birthday generator is a tool that creates plausible random dates of birth within a custom age range or birth year span. It is useful for building test data, mock profiles, and privacy-safe demos without touching anyone's real information.
Yes, the random birthday generator is completely free with no signup or subscription required. You can generate up to 1000 birthdays per batch, and there are no per-generation limits for normal usage.
Yes, you can set minimum and maximum ages so generated DOBs stay inside your target range. This helps when you need personas for kids, adults, or seniors, and ages are calculated from today's date.
Yes, switch the range type to By Birth Year and enter a start and end year. The tool then generates random birthdays that fall inside that span, which helps when a scenario needs dates from specific years.
Yes, bulk mode lets you generate between 1 and 1000 random DOBs in a single click. This makes it easy to build QA datasets, seed databases, and prepare test fixtures quickly.
Yes, the generator produces valid calendar dates including February 29 where the year is a leap year. Leap-day edge cases are correctly represented, which is helpful when you test date parsing and validation logic.
Yes, one-tap copy sends all generated DOBs to your clipboard so you can paste them into forms, spreadsheets, or test scripts. You can also download the full list as a .txt file.
Yes, random DOBs are uniformly distributed across the chosen age or year range, so no specific age skews the dataset. Each result also shows the calculated age next to the date.
Yes, the random birthday generator is fully responsive and works on phones and tablets. One-tap copy makes it easy to grab a batch of birthdays while you are on the go.
Yes, all DOBs are randomly generated and not tied to any real person, making them safe for design mockups, demos, and product screenshots. Nothing you generate is stored or sent to a server.
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