Countdown Timers

Independent timers, timestamp-accurate through sleep and refresh, with every interaction logged.

Add a timer

Type digits to fill each field · Tab or : to move · ↑↓ to adjust

Timers

No timers yet. Set a duration above and press Start timer.

Known limitations: state is not synced between multiple open tabs, and timers are wall-clock based, so changing the system clock shifts them.