๐Ÿ“ .env File Editor

Visually manage environment variables with key-value editing, grouping, validation, and multi-format export

Zero Dependencies ยท Works Offline

๐Ÿ“‚ Import .env File

Drag and drop a .env file here, or paste content below

What Can the .env File Editor Do?

The .env File Editor is a free online developer tool that provides a visual interface for managing environment variables. Say goodbye to tedious plain text editing โ€” edit key-value pairs in a table format, automatically identify groups and comments, validate common configuration errors, and export to 6 formats including .env, JSON, YAML, Docker, TOML, and Shell. All operations run locally in your browser โ€” sensitive configuration data is never uploaded to any server.

Core Features

How to Use

1. Drag a .env file onto the import area, or paste .env file content in the text box.

2. Click "Parse" to automatically identify all key-value pairs, groups, and comments.

3. Modify key names and values directly in the visual editor. Add or delete variables as needed.

4. Click "Validate" to check for configuration issues and fix errors based on the prompts.

5. Select an export format and copy or download the result. Use Ctrl+Enter to quickly parse, Ctrl+Shift+C to copy results.

Use Cases

Case 1: Project Configuration Management

When switching between multiple environments (dev/test/prod), use this tool to visually edit different .env files, avoiding manual editing errors and quickly comparing and adjusting configuration differences.

Case 2: Docker Deployment

Operations teams export .env files to Docker env-file format for use with docker-compose. The tool automatically handles format differences, ensuring environment variables are correctly passed to containers.

Case 3: Team Collaboration

Team members quickly sync .env configurations via share links. New members can import project environment variables with one click, reducing "it works on my machine" issues.

Case 4: Configuration Migration

Convert .env format to JSON or YAML to adapt to different framework configuration needs. For example, when migrating from a Node.js project to Python, convert environment variables to config files.

Extended Knowledge

The .env file format originated from Unix Shell's environment variable export convention, popularized by the dotenv library. The standard format is KEY=VALUE, one variable per line, with # for comments. Values can be wrapped in single or double quotes, supporting multiline values and escape characters within quotes. Best practices: never commit .env files to version control (add to .gitignore), use secret management services in production, and use .env.example templates in development. The 12-Factor App methodology recommends storing configuration in environment variables for strict separation of code and configuration.

What is a .env file?

A .env file is an environment variable configuration file in the project root directory, storing sensitive configurations like database connections and API keys in KEY=VALUE format.

What export formats are supported?

Supports export to .env, JSON, YAML, Docker env-file, TOML, and Shell export formats, covering different deployment scenarios.

Is my data safe?

Completely safe. All editing and export operations run locally in your browser. Environment variable data is never uploaded to any server.

How are quoted values handled?

The tool automatically recognizes single and double quoted values, preserving spaces and special characters within quotes.

Are comments supported?

Yes, line comments starting with # are supported. The editor preserves comment content and correctly outputs them during export.

How does validation work?

The built-in validator checks for common issues: empty values, duplicate keys, invalid key names, missing required variables, etc.

Can I drag and drop .env files?

Yes. Simply drag a .env file onto the editor area to automatically parse and load all key-value pairs.

.env File Editor | No Signup, Client-Side ยท No Server Uploads

Feedback: dexshuang@google.com