datefmt GitHub

ISO 8601 to your timezone

Timestamps, in your time.

Paste a timestamp from a log line, an API response, or a database row. See it in your local timezone, ready to copy in every format you need.

Your timezone

Private

Everything is parsed and formatted in your browser. Nothing you paste leaves the page.

Shareable

The URL updates as you type. Send the link and it opens in the recipient's own timezone.

Native Intl

Built on the browser's own Intl.DateTimeFormat. No date libraries, no runtime dependencies.