Timer & Stopwatch
Countdown timer and stopwatch in one. Clean, fast, and distraction-free.
05:00
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Spacestart/pause·Rreset
How to Use the Timer & Stopwatch
Switch between Timer (countdown) and Stopwatch (count-up) using the tabs above. The countdown plays an audio alert at zero; use presets for quick common durations. The stopwatch records split times with the Lap button — useful for comparing intervals or measuring how long individual steps take.
Tips for Effective Time Management
- Use preset timers for recurring tasks. Consistency reduces decision fatigue — pick your duration once, turn it into a habit, and the timer becomes automatic.
- Use the stopwatch to audit how long tasks actually take. Most people underestimate by 25–50 percent. Time yourself for a week and compare estimates to real data — that calibration alone improves how you plan deadlines.
- Combine with the Pomodoro technique. Set a 25-minute countdown for focused work, then a 5-minute break. After four rounds, take a longer rest. This rhythm protects focus across a full workday.
- Break large projects into timed sprints. Set a 30- or 45-minute timer for a specific sub-task. The defined endpoint makes it easier to start and creates a genuine sense of progress.
Frequently Asked Questions
Does the timer work when I switch tabs?
Yes, the timer continues to run even when you navigate to another tab or minimize the browser. It uses browser APIs that track time accurately regardless of tab visibility. When the countdown reaches zero, the audio alert will fire whether or not this tab is in the foreground. Note that some mobile browsers may throttle background tabs to save battery — for critical timing on mobile, keeping the tab active is the safest approach.
Will I get a notification when the timer ends?
Yes, the timer plays an audio alert when it reaches zero. Make sure your device volume is turned up. The alert is a tone that plays directly through the page — no browser notification permission is required. If you are in a quiet environment, using earphones ensures you will not miss it even when the tab is in the background.
How accurate is the timer?
The timer uses
requestAnimationFrame and Date-based calculations, making it accurate to within milliseconds. It will not drift even during long sessions — the time is anchored to an absolute timestamp rather than accumulated ticks, so pausing, resuming, and running for extended periods all remain accurate.You might also need
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