Unix Timestamp Converter
Convert any Unix timestamp to a human-readable date, or any date to a Unix timestamp. Auto-detects seconds vs milliseconds. Also shows current time. Free, private.
Frequently Asked Questions
What is a Unix timestamp?
A Unix timestamp is the number of seconds that have elapsed since January 1, 1970 00:00:00 UTC. It is a standard way to represent time in software systems.
How do I convert a Unix timestamp to a date?
Paste your timestamp into the input and click Convert. The tool auto-detects seconds vs milliseconds and shows the date in local time and ISO 8601 format.
How do I convert a date to a Unix timestamp?
Use the Date to Timestamp section. Select a date and time from the picker and click Convert to get the Unix timestamp in both seconds and milliseconds.
What is the difference between seconds and milliseconds timestamps?
Standard Unix timestamps count seconds since epoch. JavaScript and many modern APIs use milliseconds. This tool handles both automatically.