Online Stopwatch & Timer
Two tools in one: a precise stopwatch with lap recording and a countdown timer with visual progress.
What is Stopwatch & Timer?
Combines a stopwatch (counts up from zero) and a countdown timer (counts down from a chosen time). The stopwatch records lap times and the timer plays a sound when it hits zero. Runs in the background and keeps accurate time even when the tab is hidden.
How to use
- Pick stopwatch or timer mode.
- For timer: set hours, minutes and seconds.
- Hit start — pause and resume anytime.
- In stopwatch mode, use "lap" to record intermediate splits.
Frequently asked questions
Does the timer keep running if I switch browser tabs?
Yes — both the stopwatch and timer keep counting in the background. The page just stops updating the visual numbers until you come back.
Can I use it offline?
After the page loads once, the stopwatch and timer run entirely in your browser without needing internet.
Will I hear an alert when the timer ends?
You will see a visual indicator and the timer text will turn green and pulse when time runs out.