Epoch Converter

Convert between UNIX epoch (seconds/ms) and human-readable dates.

Milliseconds
0
Local ISO
1970-01-01T00:00:00.000
Local
Thu Jan 01 1970 00:00:00 GMT+0000 (Coordinated Universal Time)

How to use

  1. Enter an epoch value (seconds or milliseconds) or a date/time.
  2. The tool auto-detects seconds vs ms and shows the conversion.
  3. Use for APIs, logs, or comparing timestamps across systems.

Examples

  • 1699999999 to ISO-8601
  • 2025-01-01 00:00 local → epoch

FAQ

Seconds vs ms?
Auto-detects; < 1e12 is treated as seconds, otherwise milliseconds.

Informational only; verify critical results independently.

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