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ENV Generator

Generate .env templates for Node.js, Next.js, Django, Rails, Laravel, and more. Ready-to-use boilerplates with sensible defaults.

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# Next.js — Next.js 15 app with Supabase, NextAuth, and Stripe.
NEXT_PUBLIC_SITE_URL=http://localhost:3000
DATABASE_URL=postgresql://user:password@localhost:5432/mydb
NEXTAUTH_URL=http://localhost:3000
NEXTAUTH_SECRET=IK6bw6KE-7QqHdt4tKCsd4t083vIhJN6SMup8ETHr1JYxdh0
NEXT_PUBLIC_SUPABASE_URL=
NEXT_PUBLIC_SUPABASE_ANON_KEY=
SUPABASE_SERVICE_ROLE_KEY=
STRIPE_SECRET_KEY=sk_test_
STRIPE_WEBHOOK_SECRET=whsec_
NEXT_PUBLIC_STRIPE_PUBLISHABLE_KEY=pk_test_

Framework-specific generators

Node.js .env
/env-generator/nodejs
Next.js .env
/env-generator/nextjs
Django .env
/env-generator/django
Ruby on Rails .env
/env-generator/rails
React (Vite) .env
/env-generator/react
Python (FastAPI / Flask) .env
/env-generator/python
Go .env
/env-generator/go
Docker Compose .env
/env-generator/docker
Kubernetes .env
/env-generator/kubernetes
Stripe .env
/env-generator/stripe
Firebase .env
/env-generator/firebase
Supabase .env
/env-generator/supabase
OpenAI .env
/env-generator/openai
Laravel .env
/env-generator/laravel

What it does

  • ▸Ready-made templates for Node.js, Next.js, Django, Rails, Laravel
  • ▸Service-specific templates (Stripe, Firebase, Supabase, OpenAI)
  • ▸Auto-generates secrets in-place (JWT, session, APP_KEY)
  • ▸Download or copy the final .env in one click
  • ▸Stack-aware naming conventions

Privacy

Runs 100% in your browser. Your .env never touches our servers.

client-side only

ENV Generator — .env templates for every stack

Stop copy-pasting .env.example files from GitHub. The env generator produces ready-to-paste environment files for Node.js, Next.js, Django, Rails, Laravel, and popular services like Stripe, Firebase, and Supabase. Secrets are generated with crypto.getRandomValues right in your browser.

Supported stacks

  • Node.js — Express or Fastify with JWT and Postgres
  • Next.js — App Router with NextAuth, Supabase, Stripe
  • Django — Postgres, Redis, Celery
  • Rails — Rails 7 with Sidekiq
  • Laravel — Laravel 11 with MySQL and Redis

Service templates

  • Stripe — publishable, secret, and webhook keys
  • Firebase — client SDK + admin SDK config
  • Supabase — URL, anon, service role, JWT secret
  • OpenAI / Anthropic — standard AI stack keys

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Learn more

guide · 6 min
How to use dotenv in Node.js, Next.js, and Django
Step-by-step examples for loading .env files with dotenv in Node.js, Next.js (App Router), Python/Django, Rails, and Laravel. Includes load order and override rules.
guide · 7 min
What is a .env file? A developer's guide (2026)
A complete guide to .env files — what they are, how runtimes load them, why they matter, and how to use them safely across Node.js, Next.js, Django, and more.
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