Env Validator & .env.example Generator

Validate and document .env files, generate .env.example templates, check for missing vars, correct formats, and common security issues.

env-validator

Validate and document environment configuration files (.env, .env.example).

Usage

Validate .env file and check for missing required vars
Generate .env.example from .env
Document required environment variables
Check for common security issues in .env

What it does

• Validate — Check all required vars are present, types are correct
• Generate .env.example — Create a template with descriptions
• Security check — Detect hardcoded secrets, weak keys, missing encryption
• Document — Generate a table of all env vars with descriptions

Features

• Supports .env, .env.local, .env.production, .env.test
• Detects: missing required vars, invalid formats (URLs, emails, UUIDs), weak credentials
• Warns about: debug mode in production, CORS wildcards, unencrypted secrets
• Suggests: variable names if typos detected, correct formats for known vars

Examples

• "Validate my .env and flag any security issues"
• "Generate .env.example with all the vars from my current .env"
• "Check if all required vars for Railway deployment are set"

Notes

• Never logs or exposes secret values — only checks format/presence
• Supports Vercel, Railway, Fly.io, Render deployment conventions