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Free Unix Timestamp Converter Online

Use this free Unix timestamp converter to convert between Unix time and human dates. Fast, private, and works in your browser.

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What is Unix Timestamp Converter?

Unix Timestamp Converter translates Unix timestamps into readable dates and back. It supports seconds and milliseconds and shows both local time and UTC, which is handy when debugging logs and APIs.

How to use this tool

  1. Enter a Unix timestamp to see the date, or pick a date to get the timestamp.
  2. Choose seconds or milliseconds where needed.
  3. Read both local and UTC results.
  4. Copy the value you need.

Features

  • Show the current Unix timestamp
  • Convert seconds or milliseconds to a date
  • Convert a date to a Unix timestamp
  • Display both local time and UTC
  • Copy any value

This tool runs in your browser. Your files and text are not uploaded to our servers, and we do not store your input.

Frequently asked questions

What is a Unix timestamp?+

It is the number of seconds (or milliseconds) since January 1, 1970 UTC, a common way to store time in software.

Does it support milliseconds?+

Yes. You can convert both second-based and millisecond-based timestamps.

Which time zone is used?+

Results are shown in both your local time zone and UTC so you can compare them directly.

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