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Show HN: Dotenv Mask Editor: No More Embarrassing Screen Leaks of Your .env

The Dotenv Mask Editor is a Visual Studio Code extension that provides a grid‑based interface for editing .env files while automatically masking any value longer than six characters. Masked entries appear as asterisks in the view and only reveal their raw text when a cell is actively focused, preventing accidental exposure. All processing occurs locally, with no network calls, and the extension supports custom file patterns via VS Code settings. It is distributed through the VS Code Marketplace under an MIT license.