Free Online Timer with Alarm
Our Free Online Timer with Alarm tool is completely free and works directly in your browser. Timer with countdown and sound alert. Set hours, minutes and seconds easily. No signup required, no data sent to any server.
How to use this tool?
Simply fill in the fields above and the result appears instantly. Our free online timer with alarm supports timer, countdown, alarm. The tool is optimized for both mobile and desktop.
Why use SmartGap Tools?
SmartGap Tools offers over 30 free online tools. Also check out: Age Calculator, Timestamp Converter. All our tools are fast, free and privacy-friendly.
How does an online timer with alarm work?
This free online timer runs entirely in your browser using JavaScript. Set the hours, minutes and seconds, press Start, and the countdown begins. When it reaches zero, an alarm sound plays automatically to alert you. No app to install, no sign-up required.
Popular uses for an online alarm
- Pomodoro technique: set a 25-minute timer for focused work sessions, then a 5-minute break.
- Cooking: precise timing for boiling eggs (3 min), pasta (8-12 min), or baking (35-45 min).
- Workouts: HIIT interval training with effort/rest cycles.
- Presentations: keep track of your allotted speaking time.
Frequently Asked Questions
Is this online alarm free to use?
Yes, this alarm is completely free with no download or sign-up. It runs directly in your browser and plays a sound alert when the countdown reaches zero.
Does the online timer play a sound when it finishes?
Yes, the timer plays an alarm sound automatically when the countdown ends. Make sure your device volume is turned up so you can hear it.
How do I set an online timer with alarm?
Enter the hours, minutes and seconds in the fields above, then click Start. The countdown begins immediately and an alarm will sound when time is up.
Can I use this as an alarm for cooking or workouts?
Absolutely. Set any duration you need, whether it is 3 minutes for boiled eggs, 25 minutes for a Pomodoro session, or a custom interval for HIIT training.
Does the timer keep running if I switch tabs?
Yes, the timer continues counting in the background. The alarm will sound even if you are on another tab, as long as the browser is open.
Can I pause and resume the countdown?
Yes, click Pause to stop the timer at any point and Start to resume from where you left off. Click Reset to return to the original duration.