.env File Generator
Network & Ops · Free Online Tool
Manage key-values to generate .env and .env.example.
Variables
# .env — Generated by codernewbie.com APP_NAME=MyApp NODE_ENV=development DATABASE_URL=postgresql://localhost:5432/myapp
Never commit real secrets to version control. Add .env to your .gitignore and provide a .env.example instead.
Key-Value Editor
Add, edit, and remove variables with optional quoted values.
Presets
Quick-insert common Node, database, auth, and API variable templates.
Copy or Download
Export .env for use with dotenv, Next.js, Vite, etc.
How to Use .env File Generator
- 1Enter the URL, IP address, or network parameter to look up.
- 2Click the lookup or test button.
- 3Review the detailed results in the output panel.
- 4Use the information for your network operations.
Features
- ✓100% free — no signup, no subscription, no ads
- ✓Runs entirely in your browser — data never leaves your device
- ✓Fast and lightweight — instant results
- ✓Cross-platform — works on desktop, tablet, and mobile
Frequently Asked Questions
Are network lookups real-time?
Yes, IP lookups, DNS queries, and HTTP tests perform live network requests to provide current data.
Is my IP address logged?
The IP Lookup tool queries public geolocation APIs. We do not store your IP address or lookup history.
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Learn the concept
Learn the concept
Understand the programming ideas behind this tool.