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.env Configuration Auditor

Compare key sets across local .env files, find missing, duplicate, empty, placeholder, naming and substitution risks, and generate an .env.example with no real values.

Variable values never enter the analysis result
Original text remains only in the input area. Matrices, findings, copies and downloads contain keys, states, relative filenames and guidance only. Expansion and commands are never executed.

Up to 20 files and 5 MB total. Filenames, keys and values never enter anonymous events.

About .env Configuration Auditor

Compare environment contracts and generate a safe example without echoing values. Compare key sets across local .env files, find missing, duplicate, empty, placeholder, naming and substitution risks, and generate an .env.example with no real values. The core workflow is designed to run in your current browser.

Key capabilities

  • Locate environment drift with a variable-by-file matrix
  • Keep original values out of the analysis and export data structures
  • Check missing, duplicate, empty, placeholder, naming and substitution issues
  • Generate a stable .env.example with sensitive keys left empty

Useful for

  • Compare development, test, staging and production variables before release
  • Identify sensitive keys with inline values and move them to a secret manager
  • Prepare a credential-free configuration template for new contributors

Frequently asked questions

Is .env Configuration Auditor free to use online?

Yes. .env Configuration Auditor opens in a modern browser and does not require desktop software installation.

What is .env Configuration Auditor useful for?

Common use cases include Compare development, test, staging and production variables before release; Identify sensitive keys with inline values and move them to a secret manager.

Is my input or file uploaded?

The core processing workflow is designed to run locally in the browser. Key capabilities include Locate environment drift with a variable-by-file matrix, Keep original values out of the analysis and export data structures, Check missing, duplicate, empty, placeholder, naming and substitution issues; account, comments, and anonymous analytics may still create normal site requests.

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