Unix Timestamp Stopwatch
High-precision stopwatch with Unix timestamps down to milliseconds
Time Tracking
Unix Timestamps
Milliseconds
Precision Timer
00:00.000
Elapsed Time (MM:SS.mmm)
About This Tool
The Unix Timestamp Stopwatch is a high-precision timing tool that tracks elapsed time down to milliseconds while providing Unix timestamps, UTC dates, and local timezone dates. Perfect for developers, testers, and anyone who needs precise time measurements with timestamp data across different timezones.
Key Features:
- Millisecond precision timing
- Real-time Unix timestamp display
- UTC timestamps in ISO 8601 format
- Local timezone timestamps
- Lap time recording with individual timestamps
- Start/pause/resume functionality
- One-click copy for all timestamp values
- Lap duration calculations
Common Use Cases:
- Performance testing and benchmarking
- API response time measurement
- Database query timing
- Process duration tracking
- Event timing for logs and analytics
- Development and debugging workflows
- Scientific measurements requiring precise timing
All processing happens in your browser - no data is sent to servers. The tool uses JavaScript's high-resolution timing APIs for maximum precision.