Developer Utility
Environment Variable Generator
Create, validate, mask and export .env files in your browser.
Build a .env file
Add key/value pairs, mark secrets and generate a clean environment file.
Generated .env
NEXT_PUBLIC_SITE_URL=https://www.devkityard.com DATABASE_URL=******** API_TIMEOUT_MS=8000
StatusValid .env
Environment file is ready to copy or download.
Variables3
Sensitive1
ValidationPass
Output.env
No data is uploaded. Environment values stay in your browser.
How to Use Environment Variable Generator
- Enter or adjust the starter settings and sample input in the tool controls.
- Review the generated output in the preview panel.
- Change the inputs until the output fits your project.
- Copy the generated starter output when you are ready to use it.
FAQ
Is Environment Variable Generator free to use?
Yes. This DevKitYard tool is free to use for personal and commercial projects.
Does this tool upload my input?
No. Input is processed in your browser and is not uploaded by this tool.
Can I copy the generated output?
Yes. Use the copy button to copy the generated output into your project or notes.
Is this a full production-grade implementation?
This tool has a limited browser-based workflow. Review the generated output before using it in production.