How do I convert a Unix timestamp?

Enter a Unix timestamp in the input field and the converted date appears instantly. Click 'Use Now' to insert the current timestamp, or 'Load Example' to see a sample. The tool auto-detects seconds vs milliseconds.

What is a Unix timestamp?

A Unix timestamp is the number of seconds (or milliseconds) elapsed since January 1, 1970, 00:00:00 UTC. It is a universal standard for representing time in computing, APIs, databases, and log files.

Is the Unix timestamp converter free?

Yes, completely free. The conversion runs entirely in your browser — no data is sent to any server, and no signup is required.

Unix Timestamp Converter

Convert Unix timestamps to human-readable dates instantly online. Supports seconds and milliseconds. Shows UTC, local time, ISO 8601, and relative time. Free and runs in your browser.

Unix Timestamp

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How to Use the Unix Timestamp Converter

Enter a Unix timestamp in the input field — seconds or milliseconds both work.
The converted date appears instantly in UTC, local time, ISO 8601, and more.
Click Use Now to insert the current Unix timestamp automatically.
Click Copy next to any row to copy that value, or Copy All for all formats.
Use Load Example to see a sample timestamp conversion.

About Unix Timestamps

A Unix timestamp counts seconds elapsed since 1970-01-01 00:00:00 UTC (the Unix Epoch).
Timestamps with 13+ digits are treated as milliseconds; 10 digits as seconds.
Widely used in APIs, databases, log files, and programming languages.
Also called epoch time, POSIX time, or Unix time.