Unix Timestamp Converter
Convert Unix epoch timestamps to and from human dates.
What Is a Unix Timestamp?
A Unix timestamp is the number of seconds elapsed since the Unix epoch, 1970-01-01 00:00:00 UTC. It's the universal way computers store time, independent of time zones. This converter auto-detects whether you entered seconds or milliseconds (by length), shows the ISO 8601 / RFC 3339, RFC 2822, and local representations plus a relative “time ago” phrasing, renders the instant in any IANA timezone, and converts a calendar date back into a timestamp. Everything is computed in your browser.
Private & free — this tool runs entirely in your browser.
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