Interval timer with work and rest rounds

Run configurable work/rest rounds with pause, resume and a visible current phase.

Current interval

00:00:30

Ready

Set intervals

Work seconds

Rest seconds

Rounds

No rest after the final round. After returning to a suspended tab, the display catches up to elapsed time.

Visual timers without sound. Keep this page open; browsers may suspend background tabs. Reloading clears all timers.

Free, no account. Your inputs stay in this tab and are not sent to a server.

Preparing your tool…

Build a fixed phase sequence and calculate the current phase from elapsed time, not counted ticks.

Three rounds of 30 seconds work and 15 seconds rest, with no rest after the last round.

Keep this page open. No exercise or medical advice and no background alarm guarantee.