Unix Timestamp Converter
Convert epoch timestamps to readable dates and back — UTC, ISO 8601, and local time. Free, no login.
Frequently asked questions
What is a Unix timestamp?
A Unix timestamp (epoch time) is the number of seconds elapsed since January 1, 1970 at 00:00:00 UTC. It is the standard way most databases, APIs, and programming languages represent time.
How do I convert epoch to a readable date?
Paste your timestamp into the first box. The tool detects seconds vs. milliseconds automatically and shows UTC, ISO 8601, and your local time instantly.
How do I convert a date to Unix?
Use the Date → Unix section. Pick any date and time to get both the seconds and milliseconds Unix timestamp.
Does it support milliseconds?
Yes — it auto-detects seconds vs. milliseconds based on the size of the number, and always outputs both formats.