Keyboard Shortcuts

Master the timer with your keyboard

Timer Control
Start / Pause
Space
Reset
R
Log Lap
L
Clear Laps
C
Timer Adjust
Add Minute
+
Subtract Minute
-
Skip Pomodoro
S
View & Navigation
Toggle Fullscreen
F
Exit Fullscreen
Esc
Quick Actions
Switch Tab
1-3
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Online Timer, Stopwatch & Pomodoro

Stopwatch · Countdown · Pomodoro

00:00 .00
Sound
Space play/pause  ·  R reset  ·  L lap  ·  C clear  ·  F fullscreen  ·  1 2 3 mode

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CleanStopwatch gives you three precision timing modes: a drift-free stopwatch with lap split tracking, a customizable countdown for timed activities, and an automated Pomodoro cycle that alternates focus and break intervals. All modes support keyboard shortcuts (Space to start/pause, R to reset) and a distraction-free fullscreen view.

Popular Timers

Quick launch commonly used durations. Fully customizable with alarms and fullscreen support.

A Minimalist Timer for Deep Work

Whether you are utilizing the Pomodoro technique, managing classroom activities, or tracking a workout, this tool provides a distraction-free environment. No clutter — just precise timing with an audible alarm when your session is complete.

Why use an online stopwatch?

  • No installation required: Works directly in your browser on any OS. Open the page and you are ready to time anything.
  • High precision: Drift-corrected timing ensures absolute accuracy even during long countdowns and extended study sessions.
  • Customizable: Adjust alarms, visuals, and use fullscreen mode for presentations, stream overlays, or classroom projection.
  • Shareable configurations: Build a timer with your exact duration, alarm sound, and theme in the Configurator, then share the unique URL with teammates, students, or viewers.
  • Works offline: The timer runs in your browser without an internet connection after the initial page load, making it reliable anywhere.

Popular use cases

Students use the Pomodoro technique with 25-minute focus blocks followed by 5-minute breaks to maintain concentration during study sessions. Teachers project the timer in the classroom for timed quizzes, reading sprints, and activity transitions.

Fitness enthusiasts track rest intervals between sets, plank holds, and HIIT circuits. Streamers and content creators overlay the timer for countdowns, breaks, and event start times. Professionals use it for timeboxing meetings, keeping stand-ups on schedule, and managing deep work sessions.

Tips for effective timer use

Set a timer before starting any focused task to build a sense of urgency and reduce procrastination. Combine the timer with the Configurator custom themes to visually distinguish work, break, and meeting sessions. Use the fullscreen mode to eliminate distractions and keep the timer visible at a glance.