EnvGen

EnvGen — The Smart .env File Generator CLI

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EnvGen is a tiny CLI that fixes one of development’s biggest hidden problems: messy, missing, and inconsistent environment variables. It scans your project, finds every env variable you use, and gives you clean, reliable .env files instantly. ⚡ Powerful Commands (and What They Do) 1️⃣ envgen list Scans your code and shows all env vars your project uses. → No more guessing or searching. 2️⃣ envgen generate Creates a complete .env.example automatically. → Saves time, prevents mistakes, improves onboarding. 3️⃣ envgen missing -f .env Shows which variables are missing in your .env. → Stops runtime errors and deployment failures. 4️⃣ envgen sync Updates .env.example safely with all discovered keys. → Keeps your setup clean and always up-to-date. ⭐ Why Developers Love envgen Works in ANY project (Node, Python, React, Next.js, etc.) No configuration required 100% offline and secure Makes environment setup simple and reliable

CLI

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EnvGen is a CLI that scans code to generate clean .env files and keep them in sync.

for: Developers who need reliable environment variable management.
pricing: paid

works withNodePythonReactNext.js

Key features

6 features of EnvGen

list — Scans the project and displays all environment variables used.
generate — Creates a complete .env.example file automatically.
missing — Shows which variables are missing from an existing .env file.
sync — Updates .env.example safely with newly discovered keys.
no config — Works out-of-the-box with any Node, Python, React, Next.js, etc. project.
offline — Runs 100 % offline, keeping environment data secure.

Use cases

Generate a ready-to-use .env.example for a new repository.
Identify missing environment variables before deployment.
Keep .env.example up-to-date as the codebase evolves.
Quickly audit all env vars used across a mixed-technology project.

EnvGen vs alternatives

all alternatives →

	EnvGen	Phase	Pocketenv
Best for	Automatic .env generation and syncing	Secrets management	Universal sandbox runtime
Pricing	Paid	Free	Free
DevHunt upvotes	0	12	73
Launched	Feb 2026	May 2024	Apr 2026

EnvGen vs Phase: Phase focuses on secret management for runtime, while EnvGen generates static .env files.
EnvGen vs Pocketenv: Pocketenv provides a sandbox runtime for agents, not a CLI for env file generation.