Unix Timestamp Converter
unix-timestamp-converterConvert Unix timestamps in seconds or milliseconds to dates and back.
🛡 Privacy-first⚡ Fast🔓 No signup📱 Mobile friendly
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💡 Useful information
Convert Unix epoch timestamps to local, UTC and ISO dates, or convert a selected date into seconds and milliseconds.
- Runs directly in a modern browser.
- Works on phones and desktop computers.
- Reuse it without creating an account.
ℹ️ How to use
- Enter your data or choose the required file.
- Adjust the available options.
- Run the tool and review the result.
- Copy or download the result when needed.
❔ Frequently asked questions
How do I know if a timestamp is seconds or milliseconds?
Large values are detected automatically, and both units are shown in the result.
What is a Unix timestamp?
It is a count of seconds or milliseconds since January 1, 1970 UTC.
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