5 Minute Timer
Five minutes, counting down, with a sound at zero.
Runs entirely in your browser
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Laps
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Five minutes, counting down. Press Start, or tap the space bar, and leave it running in a tab.
Five is the most asked-for length there is, and it is not really about five minutes. It is the standard unit of "do not let me forget this": pasta, a tea bag, a warm-up, a break you intend to end, the thing in the oven you will absolutely not remember unaided.
It is long enough that you will start something else, which is the whole point, and short enough that whatever you start will still be interruptible when it rings. That is why it goes wrong so reliably without a timer, and why this is the page most people arrive at.
Type a different length into the boxes for anything else. There is also a one minute timer, a ten minute timer and a twenty-five minute focus timer.
How to use it
- Press Start, or the space bar, and the countdown begins.
- Leave the tab open. It keeps time whether or not you are looking at it.
- Change the minutes and seconds in the boxes for any other length.
Questions
Can I leave the tab in the background?
Yes. The remaining time is worked out from the clock, so a browser throttling background tabs cannot make it drift. The display catches up the moment you come back, and the ring still happens at zero.
Why does the timer not ring on my phone?
Usually the silent switch or a muted tab rather than the page. Browsers also refuse to play sound until something on the page has been pressed, so a timer started by pressing Start is allowed, but one you expected to start on its own would not be.
Does the timer keep running if I switch tabs?
Yes. The count comes from the clock rather than from a tick that a background tab would slow down, so it is right when you come back however long you were away. Closing the tab does end it, since nothing is stored anywhere.
Will it make a sound when it finishes?
It rings at zero. Browsers block sound until a page has been interacted with, and pressing Start counts, so a timer you started will always be able to ring. Check the tab is not muted if you hear nothing.
Is anything sent anywhere?
No. The timer is arithmetic on your own clock, running in this tab, and the page makes no request of its own. It works with the network off and keeps no record of what you timed.
Other lengths
The same timer on a different duration. Any of them takes a length of your own once you are there.
Your data stays on your device
Everything above runs inside your browser as WebAssembly compiled from Rust. Nothing you type is uploaded, logged or stored on a server. You can load this page once, go offline, and it still works.
This page makes no requests at all, to anywhere. That is not a promise in the copy: it is a Content-Security-Policy header your browser enforces, and connect-src on it is none. Open the network tab and watch nothing happen.