Current Time
Unix (s)
Unix (ms)
ISO 8601
About the Timestamp Converter
Convert Unix epoch values (seconds or milliseconds) to ISO 8601, UTC, and your browser's local time, or paste an ISO date to get its epoch representation. The page detects whether your input is in seconds or milliseconds automatically based on its magnitude. Everything happens in your browser - no server roundtrip.
Examples
1700000000→ 2023-11-14T22:13:20Z (seconds)1700000000000→ 2023-11-14T22:13:20Z (milliseconds)2025-01-01T00:00:00Z→ 1735689600 / 1735689600000