dotenv-diff

Scan your entire codebase to detect every environment variable reference and compares it against your .env files. It helps you catch missing, unused, duplicated, and misused variables early, before they cause runtime errors, security issues, or accidental client-side exposure.

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

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