Timestamp Converter
Translate Unix timestamps (seconds or milliseconds) into ISO and local time, or convert a date string to Unix time.
Date conversion runs locally in your browser.
Convert Unix time and dates
Paste a Unix timestamp or an ISO date to see UTC, local time, and both second and millisecond forms. Thirteen-digit values are treated as milliseconds. Use the Cron Generator when you need a schedule instead of a single instant.
How to convert a timestamp
- Paste a Unix timestamp or an ISO date.
- Select Convert.
- Read UTC, local time, and both second and millisecond forms.
Timestamp Converter FAQ
Seconds or milliseconds?
Values with 13 or more digits are treated as milliseconds. Shorter numeric values are treated as seconds.
What timezone is used?
UTC is always shown. Local time uses your browser timezone.
Related tools
- Cron Generator — Build five-field cron expressions with a plain-English summary.
- UUID Generator — Generate RFC 4122 version 4 UUIDs.
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