Timestamp Converter

Convert UNIX epoch time to human dates and back — timezone shown explicitly.

Epoch Converter

Timezone: —

● Ready

UNIX timestamp

Treat input as milliseconds

ISO / local datetime

What is a UNIX timestamp?

A UNIX timestamp counts seconds (or milliseconds) since 1970-01-01T00:00:00Z. APIs often use seconds; JavaScript Date.now() uses milliseconds.

This tool always shows your browser timezone name alongside UTC ISO output to avoid ambiguous local formats.