Unix Timestamp Converter

Free Unix timestamp converter. Bidirectional conversion between epoch time and dates. Essential developer tool for timestamp work.

A comprehensive tool for converting between Unix epoch timestamps and human-readable dates in both directions. Perfect for developers who frequently work with timestamp data in applications and databases.

Common use cases

  • Full-stack developers debugging time issues
  • DevOps engineers analyzing log timestamps
  • Data engineers transforming time formats
  • Mobile developers syncing time data
  • Backend developers implementing time APIs

How to use

  1. Enter either a Unix timestamp or a date/time
  2. The opposite format is calculated automatically
  3. Adjust timezone settings as needed
  4. Toggle between seconds and milliseconds
  5. Copy either format to your clipboard

FAQ

What is a Unix timestamp?

It's the number of seconds elapsed since January 1, 1970 00:00:00 UTC, used universally in computing.

Why use Unix time?

It's timezone-independent, sortable, and takes minimal storage space—ideal for databases and APIs.

How do I identify milliseconds vs seconds?

Millisecond timestamps are 13 digits; second timestamps are 10 digits for current dates.