Timer
Configurable countdown timer with hours, minutes, and seconds input. Features start, pause, and reset controls with visual progress bar. Input never leaves your device — everything runs locally in your browser.
How to Use the Timer
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Frequently Asked Questions
What time ranges can I set?
Set any duration via the hours, minutes, and seconds boxes — e.g. 0/25/0 for a Pomodoro block. There are no preset buttons; type the length each run.
What happens when the timer reaches zero?
The timer stops, the display shows 00:00:00, and the progress bar reaches 100%. There is no alert sound — watch the display for zero.
Can I pause and resume?
Yes. Start, pause, resume, and reset controls are available. The timer remembers the remaining time when paused.
Does it work in the background?
The timer continues running if you switch browser tabs. However, some browsers may throttle JavaScript in background tabs, which could cause slight timing drift.
When using Timer, is my data stored?
No. The timer runs entirely in your browser. No data is transmitted or stored.
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Last updated October 2026