Unix Timestamp to Date – Free Online Unix timestamp to date converter

Convert one or many Unix epoch timestamps (seconds or milliseconds) to human-readable UTC and local dates.

Enter one timestamp per line. Seconds and milliseconds are detected automatically. Need date → timestamp? Use the Timestamp Converter.

About this Unix timestamp to date converter

Convert Unix epoch timestamps to human-readable dates. Paste one timestamp or a whole list from logs, and each value is shown in UTC, your local time and ISO 8601. Seconds and milliseconds are detected automatically.

How to use the Unix Timestamp to Date

Paste one or more Unix timestamps, one per line.
Read the UTC, local and ISO 8601 dates.
Copy the converted results.

Example

1700000000  →  2023-11-14T22:13:20Z

Frequently asked questions

What is a Unix timestamp?

It is the number of seconds elapsed since 1 January 1970 00:00:00 UTC (the Unix epoch), ignoring leap seconds.

How do I know if a timestamp is in seconds or milliseconds?

Current timestamps in seconds have 10 digits; in milliseconds they have 13 digits. The converter detects this automatically.

Is my data safe?

Yes. The tool runs entirely in your browser using WebAssembly. Nothing you type or upload is sent to a server, logged or stored.

Is it free?

Yes, completely free with no sign-up, no limits and no watermarks. It also works offline once the page has loaded.