YAML to .env File Converter
Convert YAML configuration files to flat .env key-value pairs online. Export Docker Compose and Kubernetes variables directly in your browser.
How to Use YAML → .env Online
Follow these quick steps to process your data online directly in your browser with zero latency and 100% privacy.
Example Input & Output
Recursively flattens YAML mappings into uppercase underscore-separated environment variables.
app: name: DataFormatTools port: 8080 debug: true database: url: postgres://localhost:5432/mydb
APP_NAME="DataFormatTools" APP_PORT=8080 APP_DEBUG=true DATABASE_URL="postgres://localhost:5432/mydb"
Common Use Cases
Kubernetes ConfigMap Extraction
Convert Kubernetes ConfigMaps to local .env files for local development.
Specifications & Gotchas
YAML Sequence Lists
List items are comma-separated or indexed as KEY_0, KEY_1.
Frequently Asked Questions
How does YAML to .env handle nested keys?
Nested keys are joined with underscores into uppercase variables (e.g. app.port -> APP_PORT=8080).
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