~/json-to-.env-converter

JSON to .env Converter

Convert JSON secrets from AWS Secrets Manager, Vault, or any JSON source into a .env file. Handles nested objects, quoting, prefixes, and more.

Load example:

JSON Input

.env Output8 vars

DB_HOST=localhost
DB_PORT=5432
DB_NAME=myapp_prod
DB_USER=admin
DB_PASSWORD="s3cr3t p@ssword"
REDIS_URL=redis://localhost:6379
JWT_SECRET=super-secret-key
NODE_ENV=production

Options

Key Prefix

Prepended to every key

Nesting Separator

Used to flatten nested keys

Value Quoting

Key Case

Flatten nested objectsAdd export prefix

How it works

→ Paste any JSON object — flat or nested (e.g. from AWS Secrets Manager, Vault, GCP Secret Manager)
→ Nested keys are flattened: database.host becomes DATABASE_HOST
→ Values with spaces, special chars, or $ are quoted automatically
→ Arrays become comma-separated strings