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Date → Unix
Timestamp Converter

Convert human-readable dates to Unix timestamps — seconds or milliseconds. Accepts ISO 8601, RFC 2822, locale strings, and more. Runs 100% in your browser — nothing leaves your device.

Date Input
Unix Timestamp Output
// Unix timestamps will appear here…
Now:1771714126(seconds)

Flexible date input

Accepts ISO 8601, RFC 2822, locale strings, and natural formats like Jan 15 2024. One date per line for batch conversion.

Seconds & milliseconds

Switch between Unix seconds (standard) and milliseconds (JavaScript Date.now()) with one click. Live clock always shown.

5 output formats

ISO 8601 UTC, ISO 8601 Local, UTC string, Locale, RFC 2822 — pick the format your system needs.