Timer StatusStopped
Remaining %—
ℹ️ About Countdown Timer
The Countdown Timer lets you set a timer for any duration and counts down to zero — perfect for studying, cooking, workouts, presentations, and any timed activity.
📋 How to Use
- Enter the desired countdown time in hours, minutes, and seconds.
- Click Start to begin the countdown.
- Pause or reset the timer as needed.
- An alert notifies you when time is up.
👥 Who Uses It
- Students using the Pomodoro technique
- Chefs timing recipes and cooking steps
- Athletes timing rest intervals
- Teachers managing classroom activities
- Presenters keeping track of speech time
📌 Practical Examples
Pomodoro
25-minute focused study session.
Cooking
Set 12 minutes for boiling pasta.
Workout
90-second rest between weight sets.
Presentation
10-minute time limit for your talk.
⭐ Benefits
⏳
Accurate
Counts down to the second
🔔
Alert
Notifies when time is up
⏸️
Pause/Resume
Full timer control
📱
Mobile
Works on any device
💡 Tips
- 💡Keep the browser tab open so the alert plays when time is up.
- 💡Use multiple timer sessions for interval training.
- 💡For Pomodoro, set 25 min work then 5 min break.
- 💡Allow browser notifications for audio alerts.
❓ Frequently Asked Questions
Does the timer work if I switch tabs?
Yes, the timer continues running in the background.
Will I hear an alert when it ends?
Yes, an audio/visual alert triggers at zero.
Can I pause and resume?
Yes, full pause and resume control is available.
What is the maximum time I can set?
You can set hours, minutes, and seconds for any practical duration.
Is it free?
Yes, completely free.
Does it require internet after loading?
No, it works offline once the page is loaded.
🚀 Features
⚡
Instant Results
Calculate in seconds, no waiting
🎯
High Accuracy
Precise results every time
📱
Mobile Friendly
Works on any device or screen size
🔒
Privacy First
No data stored or shared
🌍
Works Worldwide
Available 24/7 from anywhere
🆓
100% Free
Always free, no registration needed
⚠️ Common Mistakes to Avoid
- ⚠️Closing the browser tab — keep it open for the alert.
- ⚠️Entering only minutes without checking hours field is zero.
- ⚠️Not allowing browser notification permissions.
📢 Disclaimer
Results are provided for informational purposes only and should be verified before making important financial, academic, or engineering decisions.
📚 Cite & Reference This Calculator
Verified Standard Calculation
Need to cite this calculator for academic papers, engineering notes, or school assignments? Use the reference below:
OnlineConvers. (2026). Online Countdown Timer | Accurate Browser Timer. Retrieved from https://www.onlineconvers.com/datetime/countdown-timer