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Data conversion

Unix Timestamp Converter

Convert Unix timestamps to dates and dates to Unix timestamps.

Everything runs in your browser. Your data is never sent to a server.

What does the Timestamp Converter tool do?

A Unix timestamp is the number of seconds since 1 January 1970 UTC. Databases, log files and APIs often store time this way. This tool converts timestamps to local time, UTC and ISO 8601, and dates back to timestamps.

What is it for?

  • Finding which date a value like 1735689600 in a log refers to
  • Turning a JWT's exp claim into a readable date

Things to keep in mind

  • JavaScript uses milliseconds while many server languages use seconds; 13-digit values are milliseconds.

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