Age Calculator
Calculate age in years, months, days, and total days.
Open toolTool category
Date & Time
Browse 10 free date & time. Ready tools can be opened and used now.
10Ready
Ready to use
10Business Days Calculator
Count weekdays between two dates without including weekends.
Open toolCountdown Timer
Set a countdown and receive an on-screen alert when time expires.
Open toolDate Difference Calculator
Find the number of days, weeks, and hours between two dates.
Open toolLeap Year Checker
Check whether a year is a leap year.
Open toolStopwatch
Start, pause, reset, and track elapsed time directly in your browser.
Open toolTime Zone Converter
Convert a date and time between common time zones.
Open toolUnix Timestamp Converter
Convert Unix timestamps to readable dates and back again.
Open toolWeek Number Calculator
Find the ISO week number for any date.
Open toolWorking Hours Calculator
Calculate elapsed working time between a start and end time.
Open tool