Timestamp Converter

Convert between Unix timestamps and human-readable dates. Auto-detects seconds vs milliseconds.

Current Unix Timestamp

Seconds vs. milliseconds

Unix timestamps are commonly stored as seconds since 1970-01-01 UTC, but many APIs (especially JavaScript) use milliseconds. If your converted date looks far in the future, you likely pasted milliseconds into a seconds field (or the reverse).

Examples

InputMeaning
1700000000Seconds timestamp
1700000000000Milliseconds timestamp

Tip

When debugging logs, prefer ISO-8601 (2026-05-23T12:34:56Z) for copy/paste safety across timezones.