JSON to .env Converter
Convert nested JSON config into .env variables.
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JSON input
.env output
About the JSON to .env Converter
Turn a nested JSON configuration object into flat .env style environment variables, with keys converted to SCREAMING_SNAKE_CASE and nested paths joined by underscores.
Examples
Nested config
{"db":{"port":5432}}Output
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Frequently asked questions
Version 1.0.0 · Updated 2026-08-09 · Runs entirely in your browser