Unix Timestamp Converter — Free Online Tool

Convert a Unix timestamp to a human date and a date back to a timestamp. Shows both seconds and milliseconds.

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How to use Unix Timestamp Converter

Enter a timestamp or pick a date.
Click Convert.
Read the result.

Frequently asked questions

Seconds or milliseconds?

Unix timestamps are in seconds; JavaScript uses milliseconds. Both are shown.

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This tool runs entirely inside your browser. No file, text or number you enter is ever sent to our servers, stored, or shared. Close the tab and everything is gone.

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