Developer tools
Unix Timestamp Converter
Convert a local date or Unix timestamp into seconds, milliseconds, ISO 8601, and UTC values in your browser.
Your generated result will appear here.
Use the result safely
Convert a local date or Unix timestamp into seconds, milliseconds, ISO 8601, and UTC values in your browser. Review generated links and code before publishing them.
Unix Timestamp Converter FAQ
A Unix timestamp counts seconds from 1970-01-01 00:00:00 UTC. Millisecond timestamps are the same concept at a thousand times the precision.
Date input is interpreted by your browser’s local timezone, while the ISO and UTC outputs make the UTC value explicit.