Convert local date and time into Unix seconds or milliseconds, or paste a timestamp to reverse it.
Date / Time
Local browser time. Changing this recalculates the Unix timestamp below.
Unix Timestamp
Paste a timestamp here to reverse it back into the top input.
Unit
Validation
Unable to convert
How To Use
Use the top input for local date and time, or paste a Unix value into the lower pane to reverse it.
Switch between seconds and milliseconds depending on what your backend or API expects.
This tool stays local and is useful for logs, JWT claims, cron previews, and database timestamps.