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 both Unix timestamps and human-readable dates. Perfect for developers, testers, and anyone who needs precise time measurements with timestamp data.
Key Features:
- Millisecond precision timing
- Real-time Unix timestamp display
- Human-readable ISO 8601 date format
- 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.