Developer

Unix timestamp ↔ date

Convert a Unix timestamp (seconds/ms) to a date and back. Useful for logs and APIs.

ISO: 2026-07-29T04:03:23.000Z
Lokalnie: 7/29/2026, 4:03:23 AM

How to convert a file — step by step

  1. Paste a timestamp or pick a date.
  2. See ISO and local results.
  3. Copy the value.

Frequently asked questions

Seconds or milliseconds?
We auto-detect by length. You can also force the unit.

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