JSON to Language Struct / Class Generator
About YAML → .env
The YAML to Dotenv (`.env`) Converter extracts flat and nested YAML configurations, Docker Compose environment variables, and Kubernetes ConfigMaps into standard `.env` key-value pairs with automatic screaming SNAKE_CASE formatting.
How to Use YAML → .env
Step 1
Paste your YAML document into the editor.
Step 2
Select key casing and quote options.
Step 3
Review the converted `.env` configuration.
Step 4
Click "Copy .env".
Practical Use Cases for YAML → .env
Extracting `.env` Files from Docker Compose
Extract environment variables from `docker-compose.yml` definitions to create a local `.env.example` template.
Converting Kubernetes ConfigMap Data to Local `.env`
Convert `ConfigMap` YAML manifests into local `.env` files for local development and debugging.
Input & Output Examples
Converting YAML to `.env`
`database:\n host: 127.0.0.1\n port: 5432`
`DATABASE_HOST=127.0.0.1\nDATABASE_PORT=5432`
Key Features & Performance
- ✓Flattens nested YAML structures into SCREAMING_SNAKE_CASE environment variable names.
- ✓Parses Docker Compose `environment:` lists and maps.
- ✓Quote wrapping options: Quotes only when spaces exist, Always double-quote, or Never quote.
- ✓100% Client-Side memory execution.
- ✓1-Click Copy `.env` output.
Key Terminology & Definitions
SCREAMING_SNAKE_CASE
A naming convention where all letters are uppercase and words are separated by underscores (e.g. `DATABASE_PASSWORD`).
`.env.example` Template
A sanitized version of a `.env` file committed to Git documenting required environment variable names with placeholder values.