Backend & API
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Unix Timestamp Converter (Free & Online)
Convert Unix timestamps to human-readable dates and vice versa. Supports seconds and milliseconds, multiple timezones, ISO 8601, and relative time.
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Client-side
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Frequently asked questions
What is a Unix timestamp?+−
A Unix timestamp is the number of seconds elapsed since January 1, 1970 at 00:00:00 UTC (the Unix epoch). It is used universally in programming to represent a specific moment in time.
What is the difference between seconds and milliseconds timestamps?+−
Unix timestamps in seconds are 10 digits (e.g. 1705276800). Millisecond timestamps are 13 digits (e.g. 1705276800000). This converter detects both automatically.
Why Timestamp Converter lives here
Convert Unix timestamps to human-readable dates and vice versa. Supports seconds and milliseconds, multiple timezones, ISO 8601, and relative time.
This workspace keeps the interaction lightweight and private. The tool runs in the browser, keeps the workflow immediate, and sits next to related actions so repeat visits are quicker.
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