8 free tools, all running entirely in your browser.
Set a duration and get an alarm when it ends.
Track elapsed time with lap tracking.
Count down to any date and time, or a common preset.
Compare local time across multiple cities at once, free — find a meeting time that works for everyone.
Find a date X days from today, or the Nth weekday of a month — free and instant.
Find the ISO week number for any date — free and instant.
Check if a year is a leap year, and see the next and previous ones — free and instant.
Find how many days are in any month of any year — free and instant.
The full Pomodoro cycle — 25 minutes of focused work, then an automatic 5-minute break, repeating until you stop.
Browse all 152 tools, or use the search box on the homepage to find a specific one.