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Online timer

Runs in this page

Set a countdown and get an alarm and a notification when it ends. Use the one-click presets for 1 to 60 minutes or type any time; the timer keeps counting correctly even when the tab is in the background.

5:00

Space starts and pauses, R resets. Keeps time correctly in a background tab; the alarm plays when the tab is open.

How to use it

  1. Click a preset or type the minutes and seconds.
  2. Press Start (or Space). The time also shows in the browser tab title.
  3. When it ends, an alarm plays and a notification appears if you allowed it.

Details

Range
Up to 999 minutes
Accuracy
Counts from the system clock, so a throttled background tab does not slow it down
Alarm
Three tones from your speaker, plus a desktop notification if allowed
Keys
Space to start and pause, R to reset

Questions

Does it need an account or send anything?

No. It runs in this page with your device's clock. Nothing is stored on a server.

Will it still ring if I switch tabs?

Yes, while the tab stays open. The countdown uses the system clock, so it stays exact; allow notifications for a pop-up too. Closing the tab stops it.

Can I use it on my phone?

Yes. Keep the screen on, because phones pause pages when locked.

How do I set a 25-minute focus timer with breaks?

Use the Pomodoro timer, which runs focus and break blocks automatically.