Developer Tools
Unix Timestamp Converter
Convert between Unix time and readable dates.
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Free to use. No account needed. Your files and data stay in your browser.
How this tool works & helpful answers
How to use Unix Timestamp Converter
- Paste your timestamp, or load an example.
- Choose seconds or milliseconds to match your input, then select Convert timestamp.
- Read and copy the date. You can also choose the date-to-timestamp option to work in the other direction.
Unix Timestamp Converter: what to know
Unix time counts time relative to January 1, 1970 at 00:00:00 UTC. Seconds and milliseconds differ by a factor of 1,000; choose the correct unit explicitly. Include a timezone offset when entering an ISO date to avoid local-time ambiguity.
Useful features
- Local browser processing
- Clear input validation
- No account required
Frequently asked questions
Why is my date off by decades?
The value may be milliseconds interpreted as seconds, or the reverse. Check the unit selected for the input.
Is this tool free?
Unix Timestamp Converter is free to use without an account. File and processing limits are displayed in the tool.