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Timestamp Converter

Unix timestamp converter

Unix timestamp ↔ ISO 8601.

How to use Timestamp Converter

  1. Paste a Unix timestamp (seconds or milliseconds) or an ISO 8601 date string.
  2. It converts instantly to the other format, and shows it in both UTC and your local timezone.
  3. Copy whichever representation you need for your code or logs.

About this tool

Timestamp Converter is a single-purpose utility on instant.tw, a free toolbox of calculators, converters, generators, and quick lookups. Everything works in your browser — nothing is uploaded, nothing is stored on a server unless explicitly noted.

Category: Developer Tools. Browse more Developer Tools tools.