Env Doctor
Compare your .env file with .env.example to find missing keys, empty values, and syntax errors.
Diagnostic Report
About the Env Doctor
The Env Doctor by Grab-Kit is a free online tool designed for backend developers and DevOps engineers. Environment variables (stored in .env files) control everything from database connections to API keys. When deploying an app, a single missing variable or a typo can crash the entire application. Manually comparing your local .env file with the team's .env.example template is tedious and error-prone. Our tool automates this diff process, ensuring your environment is perfectly configured.
Using the tool is incredibly simple. Paste the contents of your reference .env.example file into the left box, and your actual .env file into the right box. Click "Diagnose", and the tool will instantly analyze both files. It will generate a clear report highlighting missing keys, variables that are declared but left empty, and syntax issues (like spaces around the equals sign or unquoted special characters). This makes it the perfect utility for debugging deployment failures.
Why use Grab-Kit?
All our tools, including the Env Doctor, run entirely in your browser. This means your secret API keys, database passwords, and private configuration data are never uploaded to or stored on any server, ensuring 100% privacy and security. It is completely free, requires no signup, and works flawlessly on both desktop and mobile devices, making it the perfect companion for your deployment workflow.