Features

• Exact Calendar Age — Get years, months, and days with full leap-year and February 29 handling for accurate results every time.
• Flexible Comparison Date — Calculate age as of today or any past/future date to see how old you were on a specific day.
• Total Counters & Birth Details — View total months, weeks, and days alive, plus the day of the week you were born.
• Next Birthday Countdown — See the exact date of your next birthday and how many days remain.
• Live Ticking Clock & 100% Private — Optional live hours/minutes/seconds counter refreshes every second; all data stays in your browser with zero uploads.