🔐 ENV File Generator
Create .env environment variable files securely
Enter Environment Variables (one per line)
.env File Output
Free ENV File Generator – Environment Variable Configuration
Welcome to AliDeyah’s free .env file generator! Create environment variable files that securely store configuration settings, API keys, database credentials, and sensitive data outside your codebase. .env files are essential for modern development—they separate configuration from code, enable different settings per environment (development, staging, production), and protect sensitive information from being committed to version control. Our generator helps you create properly formatted .env files following security best practices.
Environment variables allow the same codebase to work across different environments with different configurations. Store database passwords, API keys, and environment-specific settings in .env files rather than hardcoding them in source code—this protects secrets, enables easy configuration changes without code modifications, and prevents accidental exposure of credentials in Git repositories. Essential for developers, DevOps teams, and anyone deploying applications across multiple environments.
Why Use .env Files?
- Security: Keep sensitive data out of source code and version control.
- Environment Management: Different configs for dev, staging, production.
- Easy Updates: Change configurations without modifying code.
- Team Collaboration: Each developer has own local .env without conflicts.
- Deployment Safety: Production secrets stay secure, separate from code.
Common ENV Variables
- Database: DB_HOST, DB_USER, DB_PASSWORD, DB_NAME
- API Keys: STRIPE_KEY, SENDGRID_KEY, AWS_KEY
- Environment: APP_ENV (development/production), DEBUG (true/false)
- URLs: APP_URL, API_URL, FRONTEND_URL
- Secrets: JWT_SECRET, APP_KEY, ENCRYPTION_KEY
ENV File Best Practices
- Never Commit: Add .env to .gitignore—NEVER commit to Git!
- Use .env.example: Commit template with dummy values as documentation.
- Document Variables: Comment what each variable does.
- Use Strong Secrets: Generate random, complex values for keys/secrets.
- Different Per Environment: Separate .env for development, staging, production.
Frequently Asked Questions
What is a .env file?
.env is a text file containing environment variables in KEY=VALUE format. Applications read these at runtime to configure behavior without hardcoded values in source code.
Should I commit .env to Git?
NO! NEVER commit .env files containing real secrets. Use .env.example with dummy values as template, but add .env to .gitignore to prevent accidental commits.
How do I use .env files?
Place .env in project root. Use libraries like dotenv (Node.js), python-dotenv (Python), or vlucas/phpdotenv (PHP) to load variables. Access via process.env.VARIABLE_NAME in code.
Ready to Generate .env Files?
Create secure environment configuration files!