FreeToolkit

Unix Timestamp Converter

Auto-detects seconds or milliseconds and shows both local and UTC time

How to use

Enter a 10-digit seconds timestamp, a 13-digit milliseconds timestamp, or a date string, then click Convert.

FAQ

Why do the dates differ by a few hours? The local line is your machine's time zone and the UTC line is standard time - both are shown so you can compare.

Privacy: every calculation runs inside your browser. Your files and text never leave your device.

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