To let you copy multiple times across your laptop and easily find clips later, the floating clipboard checks your system clipboard history.
Data stays stored entirely inside your laptop's secure sandbox. We do not use any servers.
Lightweight listening event that wakes only when you copy or focus the window.
Data auto-deletes in 24 hours. Clear everything at any time in one step.
High-precision digital stopwatch and countdown timer with Picture-in-Picture floating clock overlay, lap tracking, quick presets, and sound notifications.
No laps recorded yet. Click 'Lap' while stopwatch runs.
Useful answers for stopwatch & timer.
An online stopwatch is a digital tool that measures elapsed time with high precision, typically down to milliseconds. Unlike hardware stopwatches, it runs directly in your web browser on desktop, tablet, and mobile devices without requiring any app installations.
To use the stopwatch, select the 'Stopwatch' tab, and click the 'Start' button to begin timing. Click 'Lap' to record intermediate split times without pausing the clock, click 'Pause' to temporarily freeze the timer, and click 'Reset' to clear all logged times and set the clock back to zero.
Yes, our online stopwatch is highly accurate. It uses high-resolution system timestamps (`Performance.now()`) rather than standard CPU ticks, ensuring millisecond-level precision even if the browser experiences minor background delays.
Yes, you can click the '🔍 Full Screen' button to enter fullscreen mode. The timer display will automatically expand and center, making it ideal for classroom activities, presentations, workouts, and track events.
Due to mobile OS sandbox policies, browsers often freeze execution when the screen is locked. However, our stopwatch calculates the difference using system timestamps upon wakeup, ensuring your elapsed time is corrected. For active viewing, keep the screen active or use Picture-in-Picture.
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