Countdown Timer Online
Set any countdown from seconds to hours. Use quick presets or enter your own time. Audio alert plays when the countdown reaches zero.
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How to Use the Countdown Timer
- Click a quick preset (5 min, 10 min, 25 min, 1 hour) or enter a custom time.
- Click Start to begin the countdown.
- Click Start again (now says Pause) to pause, then Resume to continue.
- An audio beep plays when the timer reaches zero.
Features
- Quick presets: 5 min, 10 min, 25 min (Pomodoro), 1 hour
- Custom time input up to 99 hours
- Visual progress bar that shrinks as time passes
- Audio alert using Web Audio API — no files needed
- Pause and resume at any time
Countdown Timer: practical uses
Use Countdown Timer when you need a fast, clear, private result without creating an account. This page also supports related needs like Countdown Timer online, Countdown Timer free, Countdown Timer planner so you can choose the right workflow.
When it helps
- Best for: Running a focused task, timer, plan, note, checklist, or habit flow directly in the browser.
- Helpful details: Keep the page open while you work, use the saved or live state where available, and reset when the session changes.
- Next step: Move to another planning or timing tool when you need a timer, list, notes, daily plan, or habit tracker.
For the next step, try Pomodoro Timer, To-do List Online, Daily Planner Online, Habit Tracker Online.
Frequently Asked Questions
Will the alarm sound if the tab is in the background?
The timer will fire on time, but browsers may delay or silence audio on inactive tabs. Keep the tab visible for reliable audio. The countdown itself remains accurate regardless.
What is a Pomodoro timer?
The Pomodoro Technique uses 25-minute focused work sessions followed by 5-minute breaks. Use the "25 min" preset for a classic Pomodoro session.
