Countdown Timer
Free online countdown timer with hours, minutes, and seconds. Set presets, get audio alarm when time is up, and track progress with visual ring.
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What is Countdown Timer?
A Countdown Timer is a free online tool that counts down from a specified time to zero. Set hours, minutes, and seconds, then start the timer with a single click. When time is up, an audio alarm plays and a visual notification appears. With quick preset buttons (1m, 5m, 10m, 15m, 30m, 60m), a progress ring, and a label feature, it's perfect for cooking, workouts, study sessions, exams, presentations, and any timed activity. 100% client-side — no data sent anywhere.
Key Benefits
- Customizable time input with hours, minutes, and seconds supports any countdown duration from seconds to 99 hours
- Quick preset buttons (1m, 5m, 10m, 15m, 30m, 60m) for instant setup without manual input
- Audio alarm notification using Web Audio API ensures you never miss when time is up
- Visual progress ring shows remaining time at a glance and changes color when finished
- 100% client-side with no data upload — works offline, private, and free
Common Use Cases
- •Set a cooking timer for pasta, eggs, or recipes that need precise timing
- •Track workout rest intervals and timed exercise sets at the gym or home
- •Manage exam time and timed test sections with a visible countdown
- •Keep presentations on schedule with a timer visible on your screen
- •Use as a study timer for focused work sessions with the Pomodoro technique
How to Use the Countdown Timer
- Set the time: Enter hours, minutes, and seconds using the input fields, or click a preset button (1m, 5m, 10m, 15m, 30m, 60m) for quick setup.
- Add a label (optional): Type a label like "Study session" or "Cooking pasta" to identify your timer.
- Start the timer: Click the Start button or press the Space key to begin the countdown. Watch the progress ring shrink as time passes.
- Reset and repeat: When the timer finishes, you'll hear an alarm. Click Reset or press Space to start again. Use the Pause button to temporarily stop.
Key Features
- Set custom hours, minutes, and seconds
- Quick preset buttons (1m, 5m, 10m, 15m, 30m, 60m)
- Audio alarm notification when time is up
- Visual progress ring showing remaining time
- Add a label to identify your timer session
Frequently Asked Questions
How does the countdown timer work?
Simply enter hours, minutes, and seconds, then click Start or press the Space key. The timer counts down to zero and plays an audio alarm. You can pause, reset, or use preset buttons for quick setup.
Does the countdown timer work on mobile devices?
Yes, the countdown timer works on all modern browsers including mobile devices (iOS Safari, Android Chrome). The timer uses standard web APIs and is fully responsive. You can tap the preset buttons and input fields on touchscreens.
Can I use the timer in the background?
The timer continues running even if you switch tabs or minimize the browser, as long as the tab is not suspended. Some mobile browsers may pause JavaScript in background tabs. For critical timing, keep the tab active.
Why does the timer update the browser tab title?
The timer shows the remaining time in the browser tab title so you can see the countdown even when the tab is not in focus. This is especially useful when you have multiple tabs open.