Stopwatch/Timer
Online stopwatch and countdown timer, with lap and custom countdown support.
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Usage Instructions
Features
Online stopwatch and countdown timer, with precise timing, lap records and custom countdown alerts.
Steps
Stopwatch mode: tap Start/Pause/Lap. Countdown mode: set target time then start, auto-alerts on completion.
Notes
Timing runs in the browser — lap records are lost on page refresh or close. For long timing sessions, keep the page open.