⚙️
ENV Builder
FreeNo signup required · Works in your browser
Generate .env and .env.example files tailored to your stack. Select your framework, database, auth provider, and services — get a complete environment configuration with comments and documentation.
What you can do
Stack-aware variable suggestions
Auto-generates .env and .env.example
Inline documentation for every variable
Supports 50+ services and integrations
Copy or download with one click
Popular templates
Pre-configured for your specific use case
ENV Builder for Next.jsENV Builder for ReactENV Builder for Node.jsENV Builder for ExpressENV Builder for FastifyENV Builder for NestJSENV Builder for RemixENV Builder for DjangoENV Builder for FlaskENV Builder for FastAPIENV Builder for Ruby on RailsENV Builder for LaravelENV Builder for DockerENV Builder for KubernetesENV Builder for SupabaseENV Builder for Firebase+8 more
Frequently Asked Questions
Is the ENV Builder really free?
Yes, 100% free. No signup, no credit card, no hidden fees. Use it as many times as you need for any project.
Can I use it for commercial projects?
Absolutely. The output is yours — use it for personal projects, client work, or your startup. No restrictions.
Who built this?
Josué Barros, a software engineer (ex-Sephora · ex-Bradesco · ex-Indeed). Part of the BoilerForge free tools suite.