Developer

ISO 8601 Duration Converter

Convert ISO 8601 duration strings such as PT2H30M into component values and approximate total seconds or minutes.

✓ No signup✓ Mobile friendly✓ Clear limitations✓ Browser-first where practical
Recent tools are remembered only on this device.
Developer note. Years and months do not have fixed lengths. Approximate totals use 365 days per year and 30 days per month.

Why use this iso 8601 duration converter?

Convert ISO 8601 duration strings such as PT2H30M into component values and approximate total seconds or minutes. It is designed as a focused browser utility so you can test a scenario or transform data without creating an account.

Example

Paste a small representative sample into ISO 8601 Duration Converter, review the generated result, then copy it into your development or data workflow after checking the output.

Important note

Generated developer output should be reviewed before production use. Keep secrets, credentials and sensitive production data out of browser tools unless you control the environment and understand the risk.

How to use it

Start with the inputs shown above, review the assumptions or options, then generate the result. Where the tool creates a file, keep the original until you have opened and checked the downloaded output.

Frequently asked questions

Is ISO 8601 Duration Converter free?

Yes. The core tool is free to use without creating an account.

Do I need an account to use ISO 8601 Duration Converter?

No. You can use the core Toolbox workflow without signing up.

Does ISO 8601 Duration Converter work on mobile?

Yes. Toolbox is designed for modern mobile and desktop browsers, although complex file workflows can be easier on a larger screen.