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YAML to .env Converter

Transform any YAML configuration into a standard .env file. Nested keys are uppercased with underscore separators — perfect for environment variable conventions. Values are double-quoted with proper escaping.

Use Cases

  • Node.js Applications — Generate process.env configuration from YAML settings
  • Docker Compose — Create env_file content from structured YAML config
  • Python dotenv — Convert YAML config to python-dotenv compatible files
  • CI/CD Pipelines — Transform YAML-based build config into environment variables

Example

Input (YAML):

database:
  host: localhost
  port: 5432
  pool:
    maxActive: 10
app:
  name: MyApp
  debug: true

Output (.env):

DATABASE_HOST="localhost"
DATABASE_PORT="5432"
DATABASE_POOL_MAXACTIVE="10"
APP_NAME="MyApp"
APP_DEBUG="true"