Online Stopwatch. Free Browser Stopwatch

Common use cases

• Use the stopwatch to measure elapsed time: races, cooking, workouts, or how long a task actually took.
• Press Start to count up from zero. Pause freezes. Reset clears elapsed time.
• Keep this tab visible so the browser does not slow the clock.
• Nothing is uploaded. The clock lives in this tab only.
• Use the timer links below to jump to a different fixed length.

How to use Online Stopwatch. Free Browser Stopwatch

1. Open the stopwatch. This URL loads count-up mode, not a countdown.
2. Press Start. Elapsed time increases from 00:00.
3. Pause or reset. Pause freezes the clock. Reset clears elapsed time.
4. Keep the tab open. Closing the tab discards the time. This page does not save laps.
5. Switch to a countdown. Use a timer preset below when you already know the length.

Examples

When to use a stopwatch

Use the stopwatch to measure elapsed time: races, cooking, workouts, or how long a task actually took.

A stopwatch counts up. A countdown counts down from a set length.

Quick tips

• Use the stopwatch to measure elapsed time: races, cooking, workouts, or how long a task actually took.
• Keep this browser tab visible for the most accurate timing.
• Reset clears elapsed time without reloading the page.

Tutorials and guides

Browse all tutorials on the Tutorials hub.

Other timer presets

• 1 Minute Timer
• 5 Minute Timer
• 10 Minute Timer
• 15 Minute Timer
• 30 Minute Timer
• 1 Hour Timer
• Countdown Timer
• Online Stopwatch

Open the online timer for any custom countdown or stopwatch.