How to use the Unix Timestamp Converter
- 1Paste a timestamp or pick a date.
- 2Read the converted value.
- 3Use 'Now' for the current timestamp.
Supported formats and limits
- Accepts timestamps in seconds (10 digits) or milliseconds (13 digits).
- Dates are shown in both UTC and your local timezone.
- The valid range matches JavaScript dates: roughly the years 1970 to 275760.
Common uses
- Reading an expiry time from a JWT or log file.
- Converting a database timestamp for a report.
- Generating a timestamp for an API request.
Frequently asked questions
Seconds or milliseconds?
Unix time is traditionally seconds. JavaScript's Date.now() returns milliseconds. The tool detects which one you pasted by its length.