Vercel Environment Variable Diff Checker
Paste key lists or .env text to find variables missing from an environment and potentially sensitive names exposed with NEXT_PUBLIC_.
🔒 Parsing happens locally. Values are discarded during parsing and never appear in results.
How to use it
- 1.Paste local, preview, and production key lists.
- 2.Run the browser-only comparison.
- 3.Resolve missing keys and review public-name warnings.
Frequently asked questions
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