How to Use Env File Compare (.env diff)
Compare two .env files and find variables that are missing, extra or have different values.
Open the Env File Compare (.env diff) tool →What is Env File Compare (.env diff)?
Compare two .env files and find variables that are missing, extra or have different values. It's completely free, needs no sign-up, and runs entirely in your browser — so it's fast and private.
How to use Env File Compare (.env diff)
- Open the Env File Compare (.env diff) tool.
- Paste or type your input.
- Set any options provided.
- Copy the result. Everything runs in your browser — nothing is uploaded.
Frequently asked questions
What does it compare?
It parses two .env files by key and shows which variables are missing from each side and which have different values.
Why is this useful?
To keep your local, staging and production configs in sync and catch a missing variable before it breaks a deploy.
Ready to try it?
Open Env File Compare (.env diff) →