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Epoch / Unix time

Convert a Unix timestamp to a date, or the other way around. Seconds vs milliseconds is the usual foot-gun.

Result

1787779133

2026-08-26T21:18:53.000Z

How to use

  1. 1Paste seconds or milliseconds.
  2. 2Read the human date in the result.
  3. 3Copy the value your API wants.

FAQ

Seconds or ms?
Values like 1.7e9 are seconds. 13-digit numbers are usually milliseconds.
Time zone?
Display uses this browser’s locale. The Unix number itself is UTC.
Do you store what I type?
Browser tools stay in this tab. Refreshing the page clears the form. Nothing is saved to a Pulse account.
Is this free?
Yes. Pulse stays free because of advertising. Ads may appear when you copy, download, or run the main action.

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