1700000000
2023-11-14T22:13:20.000Z

Unix Timestamp Converter

Convert Unix timestamps to human-readable dates and back instantly. Supports seconds and milliseconds with automatic detection.

Auto-detects seconds & ms
UTC & local time
No data stored

What is a Unix timestamp? A Unix timestamp is the number of seconds elapsed since January 1, 1970 00:00:00 UTC (the Unix epoch).

Timestamps with 13 digits are in milliseconds. All conversions happen locally in your browser — no data is sent anywhere.