offlinewebtools.com — free, watermark-free browser tools that stay on your device with nothing uploading to our servers
Stopwatch
Professional stopwatch with lap times, millisecond precision, and export functionality
Free to use, no watermarks, runs in your browser—nothing uploads to our servers
0:00.00
Ready
Keep accurate timing
Stopwatch timing pauses when the browser throttles background tabs. Keep this tab visible or install the web app for uninterrupted lap tracking.
Start the stopwatch and click "Lap" to record lap times
Report a bug
If this tool misbehaves, share a quick summary so we can investigate. We include the tool URL automatically—no need to copy and paste.