Timestamp Converter - Free Online Tool

Enter a Unix timestamp (seconds or milliseconds) or an ISO date string to see the equivalent in all formats.

Convert timestamp

How to Use This Tool

  1. Enter a Unix timestamp (e.g. 1704067200 or 1704067200000) or a date string (e.g. 2024-01-01T00:00:00Z).
  2. Click Convert to see ISO, local date-time, and Unix seconds/ms.
  3. Use Now to insert the current time and convert it.

Benefits of Using This Tool

  • Quick conversion for logs, APIs, and databases.
  • No signup; runs in your browser.
  • Supports both seconds and millisecond timestamps.

When to Use Timestamp Converter

  • Decode Unix timestamps from API responses or logs.
  • Get Unix time for a given date for scripting or queries.
  • Verify timezone and ISO output for a timestamp.

FAQs

Is my input sent to a server?

No. Conversion runs entirely in your browser. Your data never leaves your device.

Seconds or milliseconds?

Values greater than 1e12 are treated as milliseconds; otherwise as seconds. Results show both.