env file formatter

sort keysmask values

input

output

API_KEY=super-secret-token
API_KEY=duplicate-value
API_URL=https://api.example.dev
NODE_ENV=development

Clean up dotenv and env files while keeping values in your browser.

The env file formatter organizes environment variables, keeps comments readable, and helps spot malformed lines before a config file reaches a deployment or teammate.

useful for

Format and sort dotenv-style key value pairs
Inspect duplicate or invalid environment entries
Work locally without uploading secrets

[thedevbox]