Unix Timestamp Converter - Convert Epoch Seconds & Dates Online

Convert 10-digit (seconds) and 13-digit (milliseconds) Unix Epoch timestamps into human-readable date formats and vice versa.

This tool runs in your browser.
Your result will appear here.

How to use

  1. 01Enter a 10-digit (seconds) or 13-digit (milliseconds) timestamp to convert to local date and UTC.
  2. 02Or pick a calendar date and time to generate the corresponding Unix Epoch integer.
  3. 03Watch real-time live timestamp tickers and copy current epoch seconds or milliseconds.

FAQ

What is a Unix timestamp and how do 10-digit vs 13-digit forms differ?

It measures elapsed seconds since Jan 1 1970 00:00:00 UTC. 10-digit numbers denote seconds, while 13-digit numbers denote milliseconds.

What is the Year 2038 problem (Y2038)?

On January 19, 2038, 32-bit signed integers overflow. Modern 64-bit systems extend timestamp support billions of years into the future.

Does the tool automatically reflect my local time zone?

Yes. It renders the converted timestamp in both your local system timezone and universal UTC time simultaneously.