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Work / Rest Interval Timer

Run configurable active and rest phases with round tracking.

Tool inputs stay in your browser · optional AI search sends your query

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Good to know: Personal wellness and record-keeping only, not a medical device, diagnosis, treatment or emergency service. Entries remain in this page memory: no server submission or browser-storage saving. Download before refreshing, navigating away or closing. Timers require this page to remain open; background tabs, locked screens and sleeping devices can delay cues. Do not use timers for medication-critical tasks. Adapt movement to your ability and stop if you feel unwell.

How to use it (step by step)

  1. 1Set active seconds, rest seconds and rounds to match your own plan.
  2. 2Start, pause or reset the full sequence.
  3. 3Follow the visible phase and export the session record; no exercise intensity is prescribed.

Words to know

Tracking parameters
Extra codes apps add to shared links to know who shared it. Removing them keeps the link working and more private.
Countdown / timer
A countdown shows how much time is left. A stopwatch counts up. Pomodoro = 25 minutes focus, 5 minutes rest.

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