Online Timer
Count down from a number of seconds in your browser.
Runs in your browser. Nothing is uploaded — your input is processed on this device and discarded when you close the tab.
Online Timer
How to use this tool
- Enter your values in the fields above.
- Press Generate to see the result.
- Use Load sample to try the worked example, Copy result to copy it, or Clear to start again.
Worked example
90 seconds formats as 01:30 and counts down from there.
What this tool does not do / Limits
This timer runs only while this page is open. It is not an alarm for critical timing and it stops if you close or reload the page.
Frequently asked questions
Does it keep counting if I close the page?
No. It stops when the page closes.
Can I use it for cooking?
Yes for everyday timing, but do not rely on it for safety-critical timing.
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