Convert

Timestamp Converter

Convert between Unix timestamps and readable dates.

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How to use this tool

  1. 1Paste a Unix timestamp (seconds or milliseconds) into the field.
  2. 2Click "Now" to grab the current timestamp instead.
  3. 3Local, UTC and ISO 8601 formats all appear below, ready to copy.

Frequently asked questions

What's the difference between seconds and milliseconds?

Unix timestamps in seconds are 10 digits (as of 2026); in milliseconds they're 13 digits — this tool detects which one you've entered.

What is ISO 8601?

A standardized date-time format (e.g. 2026-07-30T12:00:00.000Z) widely used in APIs and logs for unambiguous timestamps.

Does this account for time zones?

The Local row uses your browser's time zone; UTC and ISO 8601 are always in Coordinated Universal Time.