Stopwatch & Countdown Timer
Precise stopwatch with lap recording and a countdown timer with audio alerts — all in one tool. Track billable time, measure sprint durations, time presentations, run Pomodoro sessions, and record lap splits for workouts. Lap history is saved locally in your browser. Keyboard shortcuts available for hands-free control.
Lap Records
No laps recorded yet
Press the Lap button while the stopwatch is running
Stopwatch vs Timer
Stopwatch
Counts upward from zero. Used to measure elapsed time — how long a task takes. Supports lap recording to capture split times without stopping the main counter.
Countdown Timer
Counts down from a set time to zero. Triggers an alert when time expires. Used for time-boxed activities like Pomodoro sessions, cooking, and presentations.
Keyboard Shortcuts
Productivity Techniques
- Pomodoro — 25 min focused work + 5 min break. After 4 rounds, take a longer break.
- Time-boxing — set strict time limits per task to boost focus and prevent perfectionism.
- Lap tracking — record lap at each task stage to identify where time is spent.
- Sprint timing — use stopwatch to measure actual coding sprint duration vs estimated.
Stopwatch & Timer Use Cases
Pomodoro
Run 25-minute focused work sessions with 5-minute breaks using the timer.
Billable Hours
Track client billable time accurately per task for freelancers and consultants.
Workouts
Time laps, sets, and rest intervals during training for accurate performance data.
Presentations
Time yourself during practice runs to stay within presentation time limits.
Frequently Asked Questions
Related Tools
Precision Timing for Developers and Professionals
A reliable stopwatch is an essential tool for developers measuring performance, professionals tracking billable time, students managing study sessions, and athletes recording intervals. Our browser-based stopwatch provides millisecond precision, lap recording, and a clean interface that works across all devices. Unlike phone-based timers that lock your screen, a browser stopwatch stays visible alongside your work — perfect for timing API response benchmarks, Pomodoro work sessions, or cooking intervals without switching apps.
Time Management with the Pomodoro Technique
The Pomodoro Technique — 25 minutes of focused work followed by a 5-minute break — is one of the most effective productivity methods for knowledge workers. After four cycles, take a longer 15–30 minute break. Research consistently shows that timeboxed focus sessions reduce procrastination, prevent burnout, and improve deep work quality. Our stopwatch with lap recording makes it easy to track multiple Pomodoro cycles and review your productivity patterns over a work session.
Performance Benchmarking and Debugging
Developers frequently need to time operations — API response latency, database query duration, build times, and deployment cycles. While automated profiling tools exist, a quick manual timing is often the fastest way to establish a baseline or compare two approaches. Use our stopwatch alongside the API Request Builder to measure endpoint latency. For scheduling automated tasks, try the Cron Expression Generator. Convert between time zones with the Time Converter. Explore all tools on the homepage.