dotenv-diff

Scan your codebase to detect every environment variable reference. It helps you catch missing, unused, duplicated, and misused variables early, before they cause runtime errors.

First class support for SvelteKit, Next.js, and Nuxt. Also works well in modern JavaScript/TypeScript projects and frameworks like Node.js and Vue — or any other setup where you want reliable .env file comparison.

This site covers the most common use cases. The full and official documentation lives in the docs folder on GitHub, and is always the source of truth.

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