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Unix Timestamp Converter

Convert Unix timestamps to readable dates and dates back to timestamps.

Enter a Unix timestamp or date time

Unit

Local time
-
UTC time
-
Unix seconds
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Unix milliseconds
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ISO 8601
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Local processing

This tool is designed to run in your browser. Do not paste secrets or production credentials into any online tool.

How to use this tool

Paste your input, choose an action, review the result, then copy the output when it looks correct. Invalid input shows a readable error instead of silently changing your data.

Example

Input

1710000000

Output

UTC: 2024-03-09T16:00:00.000Z

FAQ

Does it support milliseconds?

Yes. The converter detects common second and millisecond timestamp lengths.

Can I compare local time and UTC?

Yes. Results show both local time and UTC when possible.

What happens with invalid dates?

Invalid input shows an error instead of a misleading result.