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Env File Compare (.env diff)
Compare two .env files and find variables that are missing, extra or have different values.
Free · No sign-up · Updated August 2026
.env (A)
.env (B)
Missing in B (1)
- DEBUG
Missing in A (1)
- SENTRY_DSN
Different values (1)
- DATABASE_URL
Compares two .env files by key — spot variables missing from one side or whose values differ. Great for syncing local, staging and production configs. Runs in your browser.
🔒 This tool runs entirely in your browser. Your data is never 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.