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Timers & Dates

Countdowns, Pomodoro, date math, Unix time, and stopwatch.

Countdown Timer
Set a custom HH:MM:SS countdown with an alarm sound when time is up.
Pomodoro Timer
Classic 25/5 work-break cycles with optional browser notifications.
Date Difference
Exact days, weeks, months, and years between any two calendar dates.
Event Countdown
Name a future event and share a countdown link you can bookmark.
Unix Timestamp Converter
Convert Unix timestamps to human-readable dates and back, with time zones.
Stopwatch
Precision stopwatch with lap tracking and export-friendly lap lists.