Unix Timestamp Converter

Timestamps are the most common time format in backends, logs and databases. This tool: ① shows the current Unix timestamp live (sec + ms, one-click copy); ② converts a timestamp to a date (sec / ms auto-detected, with local, UTC and ISO 8601); ③ reverses a chosen date back to its timestamp.

A Unix timestamp is seconds since 1970-01-01 UTC — timezone-independent; the same instant is the same number worldwide, only the wall-clock reading depends on timezone. All conversion is local, never uploaded.

Current Unix timestamp

Timestamp → Date

Date → Timestamp

A Unix timestamp is seconds since 1970-01-01 UTC — timezone-independent; the same instant is the same number worldwide, only the wall-clock reading depends on timezone. Converted locally, never uploaded.

Pair with the World Clock / timezone tool for cross-zone →

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FAQ

What's the difference between a 10- and 13-digit timestamp?

10 digits is seconds (the Unix standard); 13 is milliseconds (JavaScript's Date.now()). This tool auto-detects by digit count.

Does a timestamp depend on timezone?

No. A timestamp is an absolute instant, the same worldwide; only rendering it as a calendar date applies a timezone. Use this site's World Clock for cross-zone.

Is the time I enter uploaded?

No, everything is computed locally in your browser.