Question 1

What is a Unix timestamp?

Accepted Answer

A Unix timestamp is the number of seconds (or milliseconds) that have elapsed since January 1, 1970 00:00:00 UTC, also known as the Unix epoch.

Question 2

What is the difference between seconds and milliseconds timestamps?

Accepted Answer

Seconds timestamps are 10 digits (e.g., 1700000000), while milliseconds timestamps are 13 digits (e.g., 1700000000000). JavaScript uses milliseconds, while most Unix systems use seconds.

Question 3

Is this tool free?

Accepted Answer

Yes, completely free. No signup, no limits. All conversions happen in your browser.

Question 4

Does this tool support timezones?

Accepted Answer

Yes. You can view the converted date in your local timezone or UTC. The tool uses your browser timezone by default.

Question 5

Can I convert a date to a Unix timestamp?

Accepted Answer

Yes. Enter a date and time in the input field and the tool will convert it to both seconds and milliseconds Unix timestamps.

Unix Timestamp Converter

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