YAML to ENV Converter

Convert nested YAML mappings into underscore-joined environment variable names while keeping arrays as JSON text.

YAML mapping

ENV-style output

Optional prefix

ReadyNested keys become underscore-joined uppercase names. Arrays are JSON text. This is a deterministic convenience mapping, not a universal YAML↔dotenv standard.

How to use this YAML to ENV Converter

Flatten a YAML mapping into uppercase KEY=VALUE environment-style lines. Enter your values above and the result is calculated directly in your browser. No account is required.

Fast answer, clear inputs

This tool is built around one job: give the answer quickly without forcing a signup or hiding the result. Related tools are linked nearby when the next calculation or conversion is useful.