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ToolNest AI
Free

Timestamp Converter

Convert Unix timestamps to human-readable dates and back.

pinUnix Timestamp → Human Date
calendar_todayHuman Date → Unix Timestamp

About Timestamp Converter

Convert Unix timestamps (seconds or milliseconds) to human-readable local and UTC date-time strings, and convert dates back to Unix timestamps. Supports ISO 8601, local time, and UTC formats with one-click copy.

Frequently Asked Questions

A Unix timestamp is the number of seconds elapsed since January 1, 1970, 00:00:00 UTC (the Unix epoch). It is widely used in programming and databases.

Yes. The tool auto-detects whether your input is in seconds or milliseconds based on its magnitude and allows you to toggle between the two.

The tool shows the result in UTC and your local browser time zone simultaneously, along with an ISO 8601 formatted string.

Yes. Enter a date and time in the date picker and the tool instantly shows the corresponding Unix timestamp in both seconds and milliseconds.

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