Environment Variables Generator / Formatter

Format, sort, and sanitize .env files and generate safe .env.example templates with masked secrets.

100% Free · No Sign-up · Runs in Your Browser

About the Environment Variables Generator / Formatter

Managing environment variables across development, staging, and production environments is a standard practice in modern software architecture. However, '.env' files frequently become disorganized, contain duplicate keys, or risk exposing production database passwords and API tokens when sharing templates with team members. This Environment Variables Generator & Formatter cleans, sorts, and sanitizes '.env' files.

This tool is essential for developers maintaining microservice configurations, team leads creating onboarding '.env.example' files, and DevOps engineers converting env files to JSON. It provides three processing modes: 'Generate Safe .env.example' (masks sensitive API keys, passwords, and tokens with safe placeholder values), 'Sort Alphabetically', and 'Export as JSON'.

To use the tool, paste your '.env' content into the input box and select your desired mode. The processed output appears immediately with variable count metrics and download options.

For instance, converting a file containing database secrets in example mode sanitizes the value to safe placeholders like 'DATABASE_URL=https://example.com' or 'YOUR_DATABASE_URL', preventing secret leaks.

Critical Security Rule: Never commit real '.env' files containing secrets to version control. Always commit a sanitized '.env.example' file and add '.env*' to your '.gitignore'.

Tip: Use the 'Export as JSON' mode to convert environment variables into JSON configuration objects for deployment platforms.

Frequently Asked Questions

Q.How does the tool sanitize sensitive secrets?

It detects keywords like KEY, SECRET, PASSWORD, TOKEN, and AUTH in variable names and replaces the real values with safe placeholder labels.

Q.Is my environment variable data safe and private?

Yes. All processing executes 100% locally in your browser. Your environment variables are never transmitted across any network or logged on any server.

Q.Can I download the output as a .env.example file?

Yes, click 'Download' to save the sanitized file directly.

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