Timestamp Converter

현재 Unix (초): ...현재 Unix (밀리초): ...

Last updated: 2026 · Free online tool

What is Timestamp Converter?

Free online tool to convert between Unix timestamp and date with timezone support

1
Select conversion direction — Choose 'Timestamp → Date' or 'Date → Timestamp'.
2
Select unit and timezone — Choose seconds or milliseconds, then select your desired timezone.
3
Enter value — Enter a timestamp or date and it will be converted automatically.
4
Check results — View ISO 8601, UTC, local time, relative time, day of week, leap year, and more.

Seconds are 10 digits (e.g. 1700000000), milliseconds are 13 digits (e.g. 1700000000000). JavaScript's Date.now() returns milliseconds.

Over 10 major timezones including KST, JST, US Eastern/Western, GMT, CET, and UTC.

ISO 8601 (2025-01-15T12:00:00Z), date only (2025-01-15), RFC 2822, and any format parseable by JavaScript Date.

A display format like '3 hours ago' or '2 days from now' based on the current time.

No. All conversions happen in your browser.