Is Environment Variable Diff free to use?

Yes, Environment Variable Diff on DevHexLab is completely free. No login, no account, and no payment required.

Does Environment Variable Diff upload my data to a server?

No. Environment Variable Diff runs entirely in your browser using client-side JavaScript. Your data never leaves your device and is never sent to any server.

Can I use Environment Variable Diff offline?

Yes. Once the page is loaded, Environment Variable Diff works without an internet connection because all processing happens locally in your browser.

What category does Environment Variable Diff belong to?

Environment Variable Diff belongs to the "Developer Utilities" category on DevHexLab. A grab-bag of everyday developer tools: UUID generation, QR code creation, regex testing, SQL formatting, mock data generation, environment-variable parsing, and more. These are the utilities you reach for constantly but do not want to write yourself every time.

Environment Variable Diff

Compare two .env files and spot missing keys or changed values between environments.

envdotenvdiffconfigenvironment

Environment Variable Diff

Input

Right .env

API_URL differs.

APP_ENV differs.

SECRET_KEY missing from right.

Environment Variable Diff is coming soon

This tool is actively being built and will be available shortly. All other tools on DevHexLab are free and ready to use now.

Check back soon

Learn more

Step-by-step guide

How to Compare .env Files to Find Missing Variables

Use the .env Diff tool to compare environment variable files between environments and catch missing or mismatched configuration before deploying.

In-depth article

How to Compare .env Files and Manage Environment Variables

Learn how to safely compare .env files between environments, find missing variables, and avoid configuration drift between development and production.

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