DataFormattools
ENV · Converter

YAML to .env Converter

Convert YAML files to .env dotenv format online. Transform YAML configuration files into standard KEY=VALUE environment variables.

Interactive Editor
YAML Source
0 lines · 0 B
1
Auto-executes on edit
.env Output
0 lines · 0 B
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100% In-Browser Privacy: All conversions, formatting, and validations run purely on your machine using client-side JavaScript. Your data, code snippets, and environment variables are never transmitted to any server or recorded in logs.
Specifications

How YAML → .env Works

  • Parses YAML hierarchy into flattened key-value pairs.
  • Converts hierarchy keys to uppercase SNAKE_CASE variable names.
  • Encloses string values containing special characters in double quotes.
Demonstration

Example Input & Output

Recursively flattens YAML mappings into uppercase underscore-separated environment variables.

YAML Source
app:
  name: DataFormatTools
  port: 8080
  debug: true
database:
  url: postgres://localhost:5432/mydb
.env Output
APP_NAME="DataFormatTools"
APP_PORT=8080
APP_DEBUG=true
DATABASE_URL="postgres://localhost:5432/mydb"
Applications

Common Use Cases

Kubernetes ConfigMap Extraction

Convert Kubernetes ConfigMaps to local .env files for local development.

Guidelines

Key Specifications & Gotchas

YAML Sequence Lists

List items are comma-separated or indexed as KEY_0, KEY_1.

Questions

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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