.env File Generator
Build environment variable files visually. Add variables, pick presets, generate secrets, and download — entirely in your browser.
Add variables or pick a preset above
Your .env file is built entirely in your browser. No variables or secrets are stored or transmitted.
.env Generator FAQ
What is a .env file?
A .env file stores environment variables as KEY=VALUE pairs. Most frameworks (Node.js, Python, Ruby) load these automatically at startup to configure database connections, API keys, ports, and feature flags without hardcoding sensitive values.
Should I commit .env files to git?
Never. Add .env to your .gitignore immediately. Commit a .env.example with placeholder values so other developers know which variables are needed. Use a secret manager (Vault, AWS Secrets Manager, CredenShare) for sharing actual values.
How are secrets generated?
All secrets are generated using the Web Crypto API (crypto.getRandomValues), the same cryptographic random source used by browsers for TLS. Values are 32 characters of alphanumeric characters.
Can I import my existing .env?
Yes — click the Import button and paste your existing .env content. The tool automatically detects variable types (secrets, ports, URLs, booleans) based on key names and value formats.
Share your secrets safely
Built your .env? Now share those credentials securely. CredenShare encrypts everything end-to-end — only recipients can decrypt.