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Timestamp Converter

Convert Unix timestamps (seconds or milliseconds) to human dates and back.

Private by design. Runs in your browser. We don’t store what you paste.

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How it works

  1. 1Paste a timestamp or date string.
  2. 2Read ISO/local/Unix outputs.
  3. 3Use “now” for the current time.

FAQ

Seconds or ms?
Values under 1e12 are treated as seconds; larger values as milliseconds.