Free Unix Timestamp & Epoch Time Converter

Convert Unix epoch timestamps (seconds & milliseconds) to human-readable UTC and local dates and convert calendar dates back to Unix timestamps.

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About Unix Timestamp Converter (Epoch ↔ Date)

Converts seconds or milliseconds elapsed since January 1, 1970 (UTC epoch) into human-readable ISO-8601 strings, UTC dates, and localized time zone formats.

How to Use Unix Timestamp Converter (Epoch ↔ Date) Online

  1. Enter a numeric Unix timestamp (e.g. 1772620800) or choose a calendar date/time.
  2. View instant conversion across UTC, GMT, and your local device time zone.
  3. Copy ISO-8601, RFC 2822, or epoch integer values.

Frequently Asked Questions

Does this tool support both 10-digit (seconds) and 13-digit (milliseconds) timestamps?
Yes, it automatically detects whether your input is in seconds or milliseconds.