Complete Tools Directory
From time zone conversions and financial calculators to cryptography and developer utilities. Fast, private, and runs directly in your browser.
World Clock
Live clocks for cities worldwide
Time Zone Converter
Convert times across time zones
Meeting Planner
Schedule meetings across time zones
Calendar
Holidays and events by country
Astronomy
Sunrise, sunset, moon phases
Countdown Timer
Count down to any date or event
Business Hours
Calculate meeting times with business hours
Moon Phases & Lunar Calendar
Track lunar illumination percentage, next full moon, and new moon dates.
Precision Lap Stopwatch
Millisecond-accurate online stopwatch with split lap tracking and CSV export.
Business Days Calculator
Calculate working days between dates excluding weekends and regional public holidays.
12-Hour to 24-Hour Time Converter
Convert between 12-hour AM/PM and 24-hour military time formats instantly.
Seconds to Hours & Days Converter
Convert raw seconds into days, hours, minutes, and human-readable duration strings.
Discord Timestamp Generator
Generate dynamic Discord timestamp tags (<t:timestamp:R>) for chats and bots.
Excel Serial Date Converter
Convert Microsoft Excel numeric serial dates to standard calendar dates and back.
Date Difference Calculator
Calculate exact elapsed years, months, weeks, days, hours, and minutes between two dates.
Future & Past Date Calculator
Add or subtract days, weeks, months, or years from any starting date.
Leap Year Checker & Calendar
Check if any Gregorian calendar year is a leap year with astronomical explanations.
ISO Week Number Calculator
Determine the current ISO 8601 week number, day of year, and remaining weeks.
Public Holidays Explorer
Browse official public holidays, bank holidays, and statutory observances worldwide.
Pomodoro Focus Timer
Interval productivity timer with custom work/break intervals and session statistics.