Unix Timestamp Converter

Convert Unix timestamps to human-readable dates.

About this tool

Unix timestamps count seconds or milliseconds since January 1, 1970 (the Unix Epoch). Developers use them daily in APIs, databases, and logs. This converter lets you translate between timestamps and readable dates instantly.

How to use the Unix Timestamp Converter

  1. Enter a Unix timestamp to convert it to a human-readable date
  2. Or enter a date/time to get the corresponding timestamp
  3. The converter auto-detects seconds vs. milliseconds
  4. Copy the result for use in code or queries

Features

  • Timestamp to date conversion
  • Date to timestamp conversion
  • Auto-detects seconds and milliseconds
  • ISO 8601 date format support
  • Runs instantly in your browser

Frequently asked questions

Is this timestamp converter free?

Yes. Convert Unix timestamps to human-readable dates and back without registration or cost.

Does it work offline?

Yes. All conversion happens locally in your browser using native JavaScript Date APIs.

Can it handle milliseconds?

Yes. The tool auto-detects whether your input is in seconds or milliseconds and displays both.

What is a Unix timestamp?

A Unix timestamp is the number of seconds since January 1, 1970 (the Unix Epoch). It is used by APIs, databases, and server logs worldwide.