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Utility

Unix Timestamp Converter

Convert Unix timestamps to human-readable dates and back.

Timestamp → Date

ISO 8601 (UTC)2026-07-07T07:37:45.000Z
Local7/7/2026, 7:37:45 AM
UTCTue, 07 Jul 2026 07:37:45 GMT
Relative1 second ago

Date → Timestamp

Seconds1783409865
Milliseconds1783409865000

About this tool

Enter a Unix timestamp (seconds or ms) to see ISO, UTC, local, and relative time. Or pick a date to get the timestamp.

What it does

  • Seconds & milliseconds
  • ISO, UTC & local output
  • Relative ("3 days ago")
  • Reverse: date → timestamp

Use cases

  • Log analysis
  • API debugging
  • DB troubleshooting

FAQ

How does it detect seconds vs ms?

Values greater than ~10^12 are treated as milliseconds; otherwise seconds.

Which timezone?

Local and UTC are shown side-by-side; ISO output is always UTC.