YAML to .env

Convert YAML to .env locally in your browser. .env input is never uploaded or placed in the URL.

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YAML to .env Converter

Runs locally · No uploads

From YAML

To .env

Need the reverse direction? Convert .env to YAML.

Defined conversion policy

Predictable by design

.env conversion is permanently client-side: input never leaves this browser and is never placed in the URL. Values remain strings when reading .env files. Nested JSON or YAML values flatten with dot notation, including numeric array indexes, so no key is silently dropped.

Worked example

YAML.env

API_KEY: your_key_here
APP:
  ENV: development
  DEBUG: true

API_KEY="your_key_here"
APP.ENV="development"
APP.DEBUG="true"

Related Data conversions

Frequently asked questions

How do I convert YAML to .env?+

Paste or open YAML data, review any validation message, then copy or download the .env result.

Does .env data leave my browser?+

No. .env conversion is permanently client-side, is never eligible for server execution, and never puts converter content in the URL.

Can information change during conversion?+

Yes. The formats model data differently, so some type or structural information may change. The converter documents its deterministic mapping on this page.

How are large integers and invalid values handled?+

Integers are retained as BigInt internally and become strings when JSON cannot represent them safely. NaN and Infinity produce a clear error instead of invalid JSON or rounded output.