Unix Timestamp Converter
Unix Timestamp Converter
Convert Unix timestamps to human-readable dates and vice versa. Free epoch converter.
Frequently Asked Questions
What is a Unix timestamp?
A Unix timestamp counts the number of seconds elapsed since January 1, 1970 00:00:00 UTC (the Unix epoch).
Is it seconds or milliseconds?
This tool auto-detects. 10-digit values are treated as seconds, 13-digit as milliseconds.
Does it handle timezones?
Yes, results show both UTC and your local timezone.
How to Use
- Select source and target units if applicable
- View the result and reference table
- Copy the result or try another value
- Use the swap button to reverse direction
FAQ
How accurate is this converter?
Uses IEEE 754 double-precision arithmetic with up to 15 significant digits. Formulas based on international standards.
Is the conversion formula shown?
Yes, the formula is displayed with each result so you can verify the math.
Does it work offline?
Once loaded, all conversions happen in your browser. Bookmark it for offline use.
Can I convert multiple values?
Enter multiple values separated by commas or newlines to convert them all at once.
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