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Dev tools · February 27, 2026

dotenv-diff CLI

Validate environment variable usage in your codebase

What it does

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 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 reliableenv file comparison.

Does the same job

all alternatives →
  • DI
    Dotenv, if it is a Unix utility2024 · github.com · ▲225

    I like the idea of using dotenv files, but I dislike having to use different language-specific libraries to read them. To solve this, I created a small utility that lets you prefix any command with "dotenv" to load the ".env" file. This is how I imagine dotenv would work if it had started as a UNIX utility rather than a Node.js library.

  • DD
    Dotenv-Diff v3.0.0Jul 2026 · github.com · ▲17

    Long time since i last posted updated about dotenv-diff, a lot of new features since then

  • FD
  • VS code extension - dotenv-diffFeb 2026 · ▲3

    Vs code extension - Missing environment variables

  • SA
    Sendenv, a CLI tool to share environment variables2024 · github.com · ▲83

    My weekend project sendenv is a CLI tool that lets you share environment variables securely with someone else. It is built on top of magic-wormhole which allows for safe, account-free data transfer. When you send variables using sendenv, it creates a one-time code. You give this code to the person who needs the variables. They use the code in their shell to load the variables. This is handy for quickly setting up new team members or copying local environment variables to another system. Its currently in alpha obviously, but the core functionality works (I have tested sending vaults from a…

  • envfix20d ago · github.com · ▲84

    A tiny .env doctor for Node.js projects

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