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Unix Timestamp Converter

Convert Unix timestamps to dates and back, in seconds and milliseconds.

Works offlineNo upload

Current Unix time

Seconds

1794492376

Milliseconds

1794492376305

UTC

2026-11-12T14:06:16.305Z

Timestamp → Date

Date → Timestamp

Common mistake: Many APIs return seconds (10 digits), but JavaScript Date() expects milliseconds (13 digits). If a date shows 1970, you probably passed seconds to new Date(ms).

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