Free online JSON to ENV converter. Transform JSON into .env format with uppercase keys. Flatten nested objects with dot notation. Runs locally in your browser, no upload.
100% Local
How to Use the JSON to ENV
Paste JSON into the input box. Click Convert to ENV and the data is converted to .env format with uppercase keys and dot notation for nested objects. Use Clear to reset.
How env variables are generated
All keys are converted to uppercase for env compatibility
Nested object paths use dot notation: DB.HOST
Array indices use bracket notation: ITEMS[0].ID
Nested objects are serialized as compact JSON values
Features
Compatible with dotenv and docker-compose .env files
Handles arbitrarily deep nesting
Output is ready for copy-paste into config files
All processing runs locally in your browser. Your data is not uploaded to any server.