How do I use the ISO 8601 Duration Parser?

Paste your iso8601 input on the left and click Parse — results appear instantly on the right. Click "Try Sample" to load an example that demonstrates what the ISO 8601 Duration Parser does. Copy the output with the button above the panel, or download it as a file with the icon next to it. Related keywords: iso8601, duration. If you're looking for a specific variant, check the Related tools strip below.

What can I use the ISO 8601 Duration Parser for?

Quick iso8601 transformations during development Debugging production payloads without leaving the browser Generating sample data for tests, demos, and documentation Sharing reproducible tool output with teammates

Is the ISO 8601 Duration Parser free and private?

Yes — it runs in your browser, requires no signup for basic use, and your data never leaves your device. ISO 8601 lets you write dates that sort alphabetically AND chronologically. Always prefer 2026-04-19 over 04/19/2026.

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ISO 8601 Duration Parser

Parse P3Y6M4DT12H30M5S into years, months, weeks, days, time

1 credit

ISO 8601 duration (e.g. P3Y6M4DT12H30M5S)

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