Unix Timestamp Converter

Convert Unix timestamps to readable dates and vice versa. Supports seconds and milliseconds with timezone handling in this free browser-based converter tool.

 

 

Timestamp → Date

Date → Timestamp

How to use

  1. Enter a Unix timestamp in seconds or milliseconds in the input field.
  2. View the converted human-readable date and time with timezone details.
  3. Alternatively, pick a date and time to convert it to a Unix timestamp.
  4. Copy the result in your preferred format for use in your application.

FAQ

What is the difference between seconds and milliseconds timestamps?

Unix timestamps in seconds are 10 digits while milliseconds are 13 digits. The tool auto-detects the format. All conversions run in your browser, keeping your data private.

Does this tool handle timezone conversions?

Yes. The tool displays the converted date in your local timezone and UTC. You can also select a specific timezone. Everything is processed in your browser with no external requests.

What date range does the converter support?

It supports the full range of JavaScript Date objects, from the year 1970 through 275760. All calculations happen locally in the browser, so your data never leaves your device.