ISO 8601 parser — date components, offsets, and epoch (local)
Paste an ISO 8601 calendar, week, or ordinal string (extended or basic). See structured fields, UTC ISO normalization, and Unix seconds/milliseconds with per-row copy — parsed only in your tab.
Frequently asked questions
No. ISO parsing uses only your browser’s `Date` APIs in this tab. Nothing is sent to LocalTools servers for processing.
For epoch conversion, calendar dates without a time or offset are mapped to 00:00:00 UTC, matching common API log conventions — not local midnight.