Timestamp Converter
Convert Unix timestamps (seconds or milliseconds) to readable dates and back. Shows ISO 8601, UTC, and local time plus relative time.
Unix timestamp or date string
Unrecognized date.
Date → timestamp
How to use
- Paste a timestamp or date string, or press Now.
- Read ISO 8601, UTC, local, and relative rows.
- Use the Date to timestamp box for the reverse direction.
FAQ
Seconds or milliseconds?
The tool auto-detects: 10-digit values are treated as seconds, 13-digit as milliseconds.