Focus timers

Countdown / Interval Timer

Run a simple countdown or repeating work/rest intervals.

Timer state remains in this browser.
Countdown10:00
Safe preset

Stores dates, times, numbers, checkboxes, and select choices. Text, CSV, JSON, QR content, and outputs are always excluded.

How to use it

How to use countdown timer

Start a one-time countdown or repeat work and rest intervals for a chosen number of rounds.

Run ten rounds of 45 seconds of work and 15 seconds of rest.

  1. Enter or paste the values you want to work with.
  2. Review the result and any validation message.
  3. Copy or download the result when the tool provides that action.

How it works

The active phase is anchored to an absolute end time and advances through elapsed phases after sleep, throttling, or tab suspension.

Common uses

  • Count down to a call or task switch
  • Run timed practice or review rounds
  • Alternate short work and recovery periods

What the free tool includes

  • Countdown
  • Work/rest intervals