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Unix Timestamp Converter

Convert between Unix epoch time and human-readable dates (seconds and milliseconds).

Convert between Unix timestamps and human-readable dates, in both directions, in local time and UTC.

How to use Unix Timestamp

  1. Enter a timestamp (in seconds or milliseconds) or pick a date and time.
  2. See the corresponding value.

Frequently asked questions

Is the timestamp in seconds or milliseconds?

The tool accepts both and shows clearly which one; standard Unix time is in seconds, while JavaScript uses milliseconds.

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🔒 Unix Timestamp Converter runs entirely in your browser — the data you enter is not sent to any server. Free, no sign-up required. See145 free dev tools more.