Timestamp Converter

Free online Unix timestamp converter. Convert epoch seconds/milliseconds to human dates and back, in any timezone — instant and accurate.

Timestamp → Date

Local Time2026/09/06 16:28:06
UTC Time2026-09-06T08:28:06.000Z
Relative Time1 sec ago

Date → Timestamp

FAQ

What is a Unix timestamp?
Seconds (or milliseconds) elapsed since 1970-01-01 UTC — the standard way computers store time.
Seconds or milliseconds?
Both are auto-detected: 10 digits = seconds, 13 digits = milliseconds.
Can I convert a date back to a timestamp?
Yes, the converter works in both directions with timezone control.