Prepare timestamps for APIs or event payloads.
Date to timestamp
Convert Date To Unix Timestamp
Paste a readable date or date-time value and turn it into Unix seconds and milliseconds for APIs, payloads, and logs.
Tool focus
Date to Unix timestamp conversion
Date or date-time input
Paste a readable date or ISO date-time value here to convert it into Unix seconds and milliseconds.
Unix seconds output
Run the converter to see the main output here.
Converted output will appear here.
Why convert a date into a timestamp?
Sometimes the problem is not reading a timestamp, but generating one. If an API, database field, or event payload expects Unix time, a converter helps you turn human-readable dates into the numeric value your system needs.
This mode helps when you need to:
Convert readable dates into Unix seconds quickly.
Check both milliseconds and seconds values side by side.
Useful for API requests and payload prep
Many APIs and systems expect numeric timestamps rather than readable dates. A converter helps you prepare those values correctly when building test requests, fixtures, scheduled jobs, or import data.
Helpful for reverse debugging
Sometimes you already know the intended human time and need to confirm what timestamp should represent it. This reverse conversion flow is useful when checking whether your app encoded a date correctly.
Why both seconds and milliseconds matter
Different systems expect different units. Showing both Unix seconds and Unix milliseconds helps you avoid one of the most common timestamp integration mistakes before the value ever leaves the page.
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