.env to YAML Converter

Convert .env and dotenv files into YAML mappings, Docker Compose configs, and Kubernetes ConfigMaps in your browser.

At a glance

.env to YAML Converter transforms environment configuration files into standard YAML mappings, Docker Compose environment sections, or Kubernetes ConfigMap manifests. It handles quotes, comments, multiline strings, and key nesting client-side with complete privacy and zero server communication.

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100% Client-Side Dotenv to YAML Converter

Zero Server Uploads

Convert .env files into clean YAML mappings, Docker Compose environment blocks, and Kubernetes ConfigMap or Secret manifests in browser memory.

Local Sandbox
Presets:
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Output Format & Options
Ready
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Why Use This .env to YAML Converter?

100% Client-Side Privacy: Your sensitive API tokens, database credentials, and secrets are converted entirely in-browser without network requests.
Multiple Output Templates: Generate standard YAML mappings, Docker Compose environment blocks, Kubernetes ConfigMaps, or Kubernetes Secret manifests.
Dot & Double-Underscore Nesting: Automatically expands structured variable names like DB.HOST or REDIS__PORT into nested YAML blocks.
Type Casting Control: Choose between strict string preservation (ideal for Kubernetes manifests) or smart primitive casting for numbers and booleans.
Instant Export: Copy formatted YAML to your clipboard or download as a .yaml file with a single click.

How to Use .env to YAML Converter

1

Paste or Upload .env

Enter your .env file content into the editor or upload an existing dotenv file from your computer.

2

Select Output Template & Options

Choose between standard YAML, Docker Compose, or Kubernetes ConfigMap/Secret manifests, and configure nesting or type casting.

3

Copy or Download YAML

Copy the generated YAML output directly to your clipboard or download it as a .yaml configuration file.

Dotenv Configuration to Kubernetes ConfigMap

Demonstrates converting environment variables into a ready-to-apply Kubernetes ConfigMap YAML manifest with string-quoted data values.

.env Configuration Source 
PORT=8080
NODE_ENV=production
LOG_LEVEL=info
Kubernetes ConfigMap YAML Processed 
apiVersion: v1
kind: ConfigMap
metadata:
  name: app-config
data:
  PORT: "8080"
  NODE_ENV: "production"
  LOG_LEVEL: "info"

Technical Specifications & Engine Details

Technical specifications and engine details for .env to YAML Converter
Specification Details
Supported Formats ENV, DOTENV, TEXT → YAML, TEXT
Execution Mode 100% Client-Side In-Browser (client)
Browser Requirements Modern web browser with JavaScript enabled.
Performance Constraints Zero external dependencies. Runs 100% client-side in browser memory.
Maintained by Pragyan Pahadi

100% Client-Side Privacy Guarantee

Your files and data remain strictly on your local device. Computations run locally using browser memory with zero network uploads.

Frequently Asked Questions

Does this tool support Kubernetes ConfigMap and Secret manifests?
Yes. Select either the 'Kubernetes ConfigMap Manifest' or 'Kubernetes Secret Manifest' template to generate a complete, valid apiVersion: v1 manifest ready for kubectl apply.
Are my credentials and private keys uploaded to any server?
No. The entire dotenv parser and YAML generator execute 100% client-side in your local browser sandbox. No input variables or output YAML ever leave your device.
How does Docker Compose environment formatting work?
In Docker Compose mode, you can toggle between a YAML mapping (KEY: value) or list syntax (- KEY=value) formatted directly under the environment: key.
Can I convert nested environment variables into hierarchical YAML?
Yes. Enable the 'Nest Dot & __ Keys' option to convert variables like DB.HOST or DB__PORT into nested YAML dictionary structures.

Methodology

This tool runs entirely in your browser. The example above shows a representative input and the result it produces.

Last updated .

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