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Unix Timestamp Converter
Convert Unix epoch timestamps to readable dates or convert dates back to seconds and milliseconds.
What does this tool do?
A Unix timestamp measures time from the Unix epoch, 1 January 1970 UTC. This converter accepts timestamps in seconds or milliseconds and displays the matching date using your local time zone.
How to use it
- Enter a Unix timestamp in seconds or milliseconds.
- Choose Timestamp to date to convert it.
- Or select a date and time and choose Date to timestamp.
Common uses and tips
Timestamps are based on UTC epoch time, while the readable date field is displayed in your local time zone. Check the expected time zone when sharing results across systems.
Frequently Asked Questions
How do I know whether a timestamp is seconds or milliseconds?
Values around ten digits are commonly seconds; values around thirteen digits are commonly milliseconds. The tool uses that size heuristic.
Does the date use UTC?
Epoch values represent an absolute moment. The date/time field is shown in your local time zone.
Can I convert a date back to Unix time?
Yes. Select a date and time and use Date to timestamp.
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Last updated: October 6, 2026
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Toolvuno provides free browser-based utilities for common image, PDF and text tasks. The current site does not require an account to use the available tools.
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Toolvuno is provided as a utility service. Processing results can vary by browser, file format and source file. Always verify important output before relying on it.