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 input or drop a file above.
- Adjust options (delimiter, dialect, quality, ratio).
- Copy result or download — no sign-up needed.
FAQ
Seconds or milliseconds?
The tool auto-detects: 10-digit values are treated as seconds, 13-digit as milliseconds.