Unix Timestamp Converter
Convert between Unix epoch time and human-readable dates. Supports seconds and milliseconds. All conversion happens in your browser.
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How to read the result
- Values with fewer than 12 digits are treated as seconds.
- Values with 12+ digits are treated as milliseconds (common in JavaScript).
- Unix time is timezone-agnostic: it counts seconds since 1970-01-01T00:00:00Z.
Related reading: Unix timestamps explainedand the timezone debugging checklist.