Online Stopwatch
A precise online stopwatch that counts up to the hundredth of a second, records lap and split times, and keeps running while the tab is open — no download needed.
Read the full guide to this tool
Notes
- “Lap” records the time for the current segment; “split” is the total elapsed time at that moment.
- Timing uses a high-resolution clock, so it stays accurate even if the tab is briefly throttled.
- Everything runs locally in your browser; nothing you enter is sent to any server.
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