Env file diff checker
Compare .env.example and local env keys to find missing and extra entries.
Inputs stay in your browser. Ignores comments and blank lines and reports duplicate keys.
Search and use guide
Env file diff checker
Compare env file keys locally in the browser to find missing, extra, and duplicate entries without exposing secret values. privacy-first-browser-tooling
Who it helps
- Check production keys before deployment
- Compare .env.example against staging config
- Spot duplicate or missing env names during onboarding
What you can enter
- Compare .env.example with production keys only
- Detect missing API_URL and duplicate SECRET entries
How to read results
Use the missing, extra, and duplicate key sections as a checklist before you ship or share environment setup instructions. privacy-first-browser-tooling
Data and privacy
GoGo Tools records analytics by tool slug only and does not include your input values. privacy-safe-analytics-only
Feedback
How can we improve this tool?
Send a suggestion or bug report for this tool.
FAQ
Are inputs uploaded?
No. These developer tools process inputs in the browser. Analytics records the tool slug only.
Can I paste real secrets?
Avoid real production secrets. The tools redact and process locally, but test values are safer.
Can I use the output in production directly?
Treat output as a starting draft and review it against your project standards before shipping.
Does it work on mobile?
Yes, but long text and code workflows are better on desktop browsers.