What is a Unix timestamp?

A Unix timestamp counts seconds (or sometimes milliseconds) since 1970-01-01T00:00:00Z, the Unix epoch.

How do I convert Unix time to a date?

Paste the number above. The converter shows UTC ISO and local representations instantly.

Paste an ISO date such as 2024-01-01T00:00:00Z. The tool returns seconds and milliseconds.

Classic Unix time is seconds. Many JavaScript APIs use milliseconds. This tool detects large values as milliseconds.

Enter the timestamp and read the UTC (ISO) row. That value is always timezone-independent.

A free online tool that converts between epoch values and human-readable dates for developers.

It parses your input, normalises to milliseconds internally, then formats seconds, ms, UTC, and local strings.

Type a timestamp or date, or tap Now (seconds) / Now (ms), then copy the fields you need.

Yes. It is free with no sign-up.

Yes. It works in mobile browsers.

Free Unix Timestamp Converter Online, Epoch to Date | Binary Tech