Countdown Timer and Stopwatch
Countdown Timer and Stopwatch
Two simple time tools on one page: a countdown with an alarm beep, and a stopwatch with laps.
Countdown Timer
Stopwatch
This page combines a Countdown Timer and a Stopwatch, the two time tools people reach for most. The countdown is for anything with a fixed length: cooking, study sessions, exercise intervals, presentations, exams practice, and breaks between meetings. You set hours, minutes, and seconds, press start, and a clear beep sounds when the time runs out, so you do not need to watch the screen. The large display can be read from across a kitchen or classroom at a glance.
The stopwatch measures how long something actually takes, rather than how long you planned. Coaches time laps, students time practice questions, and home cooks time stages of a recipe. The Lap button records split times into a list without stopping the clock, so you can compare each round afterwards. Both tools run in your browser tab with no account and no downloads, and the countdown keeps its own simple controls for pause and reset so a session can be interrupted and resumed without starting over from the beginning again.
How to use
- For the countdown, enter hours, minutes, and seconds, then press Start / Pause to begin.
- Press Start / Pause again to pause, or Reset to return to the time you set.
- Turn your sound on if you want to hear the finishing beep at zero.
- For the stopwatch, press Start / Pause to begin timing and Lap to record a split.
- Press Reset on either tool to clear it and prepare for the next use.
Frequently asked questions
Will the countdown still work if I switch tabs?
Yes, it keeps counting while the tab stays open, though browsers may throttle background tabs slightly. For the most reliable alarm, keep the tab open and the device awake. If the screen sleeps for a long period, check the display when you return, as very long background pauses can delay the beep.
Why is there no sound at the end?
The beep is generated by your browser and needs the device volume turned up and not muted. Some phones also block sound until you have interacted with the page, which pressing Start normally satisfies. If a browser blocks audio, the display still shows Time is up when the countdown finishes.
How accurate is the stopwatch?
It is accurate to about a tenth of a second, which is displayed in the reading. That is plenty for training, cooking, classroom activities, and personal challenges. It is not certified for official sports results, where dedicated timing equipment and judges are required by competition rules.
Do I need an account or an app install?
No. Both tools are ordinary web page features that start working as soon as the page loads. Nothing is recorded or sent anywhere, your lap list disappears when you close the page, and there is nothing to sign up for before timing your first session.