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Free Online Stopwatch with Laps & Splits

Track every lap down to the millisecond. Instantly spot your fastest and slowest splits, export your results in a click, and enjoy quick keyboard shortcuts on desktop — or take the timer anywhere on mobile.

FreeNo loginMobile optimizedKeyboard shortcuts

Key Features

Everything you need to manage your time effectively.

Millisecond precision

Stable, millisecond-level timing built for consistent, repeatable results.

Laps & splits

See per-lap durations and cumulative time to compare performance quickly.

Export / download

Download your lap table in PDF or CSV format for easy logging and analysis.

Keyboard shortcuts

Add laps without the mouse and keep momentum when it matters.

Easy sharing

Share your session instantly — including start time and detailed lap data.

Mobile & desktop

Clean interface that scales smoothly on phones, tablets, and desktops.

Why Use a Stopwatch?

Everyday Tracking Meets Peak Performance

A stopwatch doesn't just count time — it reveals how you improve. Whether you're an athlete, student, or professional, precise timing reshapes how you learn, train, and deliver. With a reliable online stopwatch, you can structure sessions, compare results, and stay consistent — at work, at the gym, or at home.

For Champions and Everyday Moments Alike

Boost Your Performance

Wherever performance and precision matter, the stopwatch is your anchor.

  • Sports & training — sprints, intervals, lap comparisons, progressive targets.
  • Productivity & deep work — focused blocks that reduce distractions and measure real impact.
  • Study & revision — per-subject/per-task timing to plan smarter and learn faster.

Everyday Uses of a Stopwatch

Not just for pros —bring structure to routines and track progress effortlessly.

  • Cooking & baking — nail critical timings for consistent results.
  • Morning routines — time, optimize, and make habits measurable.
  • Household tasks — turn chores into quick, timed challenges.
  • Habit tracking — meditation, stretching, daily instrument practice.

What Makes a Good Online Stopwatch?

A good online stopwatch should be:

  • Accurate — true millisecond precision with stable timing.
  • Fast and intuitive — start/stop, laps/splits, and reset with zero friction.
  • Syncable — state persists on refresh and is shareable via link.
  • Accessible — works on desktop, mobile, and tablet with no install.
  • Readable — crisp typography, high contrast, clear metrics.
  • Privacy-respecting — no account required, no intrusive ads.
Built for precision, speed, and clarity — no intrusive ads, no login.

Stopwatch vs Timer vs Countdown: What's the Difference?

Stopwatch

Counts up from zero to capture actual durations. Best when the length is unknown: sports, study, and focused work sprints.

Timer

Counts down to zero from a preset duration. Great for cooking, intervals, and Pomodoro—perfect for time-boxing a task. Try the timer.

Countdown

Shows time remaining to a specific date/time. Ideal for exams, launches, presentations, and shared events. Start a countdown.

With chronomètre.com you get all three tools: Stopwatch, Timer, and Countdown — right in your browser.

Guides & Articles on Time Management

Discover practical guides to improve productivity and optimize time management.

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Put Your Phone Away: The Secret to Deep Focus and Productivity

Scientific research reveals why removing phones from workspace boosts productivity by 30%. Learn deep focus techniques, 4-hour work sessions, and timer-based strategies to eliminate distractions and maximize concentration.

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Andrew Huberman's Surprisingly Simple Focus Protocol

Learn neuroscientist Andrew Huberman's proven focus protocol: 2-hour deep work sessions with 10-minute penalties for distractions. Transform your concentration abilities through disciplined practice and timer-based training.

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Online Stopwatch: Free Tool for Workouts, Study, and Productivity

Master time tracking with our free online stopwatch featuring millisecond precision, lap recording, and split timing. Perfect for fitness training, study sessions, cooking, and productivity. Works on all devices without downloads.

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Tip of the Day

Before a focus block, write one clear outcome on a sticky note. Single-tasking beats multitasking for deep focus and better results.

Book of Month

"Essentialism"

by Greg McKeown

The disciplined pursuit of less to achieve what truly matters.

Keyboard Shortcuts for Quick Use

Control your stopwatch without leaving the keyboard. Ideal for focused work sessions where every second counts. Boost your productivity and time management with seamless keyboard shortcuts.

  • Space
    Start / PauseToggle the stopwatch
  • L
    LapRecord a lap (while running)
  • R
    ResetReset the stopwatch to zero

Why shortcuts? Maximum efficiency without breaking your flow.

Share & Sync: One Link, Same Time

Share your stopwatch state — running/paused, elapsed time, laps — with a simple link.

  • Team sync — workouts, study groups, labs, and live events stay aligned.
  • Multi-device — open the link elsewhere and resume with the same state.
  • No account — privacy-respecting by design, no signup required.
Copy the link and share: everyone sees the same time baseline.

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