JSON to ENV

Convert JSON objects into clean .env output instantly. Great for config migration, fixtures, and quick environment file generation.

JSON Input

Root must be a JSON object. Arrays and nested objects are serialized as JSON strings.

ENV Output

Nested values become JSON strings so they still fit dotenv format.

Total keys
0

Keys found in the root object

Exported keys
0

Valid ENV variable names

Array values
0

Serialized as JSON strings

Object values
0

Also serialized as JSON strings

Invalid Keys

No invalid ENV variable names detected.

About JSON to ENV Converter

This tool converts a JSON object into dotenv-style KEY=value lines. It is useful when you want to turn structured configuration into a quick .env file for local development, CI jobs, container setup, or deployment previews.

Everything runs in your browser. Your JSON config, secrets, and tokens stay on your device. Primitive values become standard dotenv values, while arrays and nested objects are serialized as JSON strings so they remain portable inside environment files.

How to Use

  1. Paste a JSON object into the input box, or load the sample.
  2. Choose your output options such as quote mode, key sorting, and optional export prefixes.
  3. Review invalid keys before copying the result.
  4. Copy or download the generated .env output.

Quote Modes

Auto

Adds double quotes only when a value contains spaces, special characters, JSON, or is empty.

Always

Wraps every value in double quotes for consistency across generated lines.

Never

Leaves values unquoted. Fast, but risky when values contain spaces or special characters.

Common Use Cases

  • Config migration: Turn JSON app settings into a quick dotenv file.
  • Local development: Generate test .env files from fixture JSON.
  • CI/CD setup: Prepare environment variable blocks for scripts and preview deployments.
  • Debugging: Flatten structured JSON config into portable key/value output.

Frequently Asked Questions

Can I use nested objects or arrays?

Yes. Nested objects and arrays are converted to compact JSON strings and then written as a single dotenv value.

Why were some keys skipped?

Dotenv keys should use letters, numbers, and underscores, and cannot start with a number. Invalid keys are listed in the warning panel and left out of the output.

Are my secrets uploaded anywhere?

No. This converter runs entirely in your browser. Nothing is sent to a server.

Should I use export prefixes?

Use them when you want shell-friendly output like export API_URL=.... Leave them off for standard .env files used by most frameworks and dotenv loaders.