Unix Timestamp Converter
Convert Unix seconds or milliseconds and dates without guessing the input unit.
Fast and secure data transformation directly in your browser.
Unix Timestamp to Date
Date String to Unix
Unix timestamp guide
- Enter a Unix value and choose seconds or milliseconds.
- Enter a date to see both Unix representations.
- Unix seconds
- Seconds elapsed since 1970-01-01 UTC.
- Unix milliseconds
- The same instant represented in milliseconds.
Limitation: Selecting the wrong unit can produce a date far from the intended instant.
Safety: Review results before sharing sensitive dates or identifiers.