Website Tools
Unix Timestamp Converter
Instantly convert Unix timestamps to human-readable dates, and back, right in your browser.
Enter a Unix timestamp or a date below to instantly convert between them - entirely in your browser, nothing is sent to our servers.
JustChecker builds tools that respect your data - this one never leaves your browser.
Frequently Asked Questions
It's the number of seconds that have elapsed since January 1, 1970, 00:00:00 UTC (also called "the Unix epoch") - a common, timezone-independent way to store dates and times in code.
Yes - if you paste a timestamp with more than 10 digits, it's automatically treated as milliseconds instead of seconds.
No - this tool runs entirely in your browser using JavaScript. Nothing you enter is transmitted anywhere.