Parse ISO 8601 duration strings (P3DT4H30M) into human-readable time spans and seconds.
Execution runs 100% locally inside the browser sandbox using HTML5 Canvas, Web Cryptography Subtle API, and Web Workers. Zero egress.
Zero network latency. Operates completely offline with zero dependencies on third-party backend servers or cloud services.
Built according to official RFC specifications, cryptographic test vectors, and enterprise-grade data transformation standards.
Type an ISO string like PT1H30M or P3DT4H.
Inspect the parsed days, hours, minutes, and seconds.
Copy human duration text or total integer seconds.
P indicates Period (start of duration), and T precedes the time component (hours, minutes, seconds).
PT30M represents a duration of exactly 30 minutes (1,800 seconds).
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