JSON to .env

Turn a JSON object into KEY=value lines.

Root must be an object. Keys that are not UNIX env names are skipped. Nested values are JSON-quoted. Arrays as root fail.

What JSON to .env does

Root must be an object. Keys that are not UNIX env names are skipped. Nested values are JSON-quoted. Arrays as root fail.

JSON to .env sits in the Convert group on purpose. It is not JSON Formatter (Pretty-print or minify JSON with indent and optional key sort.) and not JSON to YAML (Dump JSON as YAML.). Choose this page when you need Turn a JSON object into KEY=value lines. If you stretch JSON to .env into a neighbor’s job, the result will look wrong even though the site chrome looks the same.

How to use JSON to .env

  1. Keep this tab on JSON to .env (/json-to-env). Pasting into the wrong Convert tool (for example JSON Formatter) changes the job.
  2. Paste or type the input JSON to .env expects. Path hint: json to env. Turn a JSON object into KEY=value lines.
  3. Apply the JSON to .env action only. JSON to YAML is a different transform (Dump JSON as YAML.). Root must be an object. Keys that are not UNIX env names are skipped. Nested values are JSON-quoted. Arrays as root fail.
  4. Copy the output of JSON to .env if you need it elsewhere. Size/complexity still follows: Root object. Invalid env names skipped. Nested values JSON-stringified. Max 500,000 characters.
  5. If the text job is actually Pretty-print or minify JSON with indent and optional key sort., leave JSON to .env and open JSON Formatter.

When not to use JSON to .env

Skip JSON to .env when a neighbor tool matches better — start with JSON Formatter or JSON to YAML — or when the description already warns the job will fail. In the tool’s own words: Root must be an object. Keys that are not UNIX env names are skipped. Nested values are JSON-quoted. Arrays as root fail.

Questions about JSON to .env

What does JSON to .env do that other Convert pages on this site do not?
Root must be an object. Keys that are not UNIX env names are skipped. Nested values are JSON-quoted. Arrays as root fail. Short version: Turn a JSON object into KEY=value lines.
Does JSON to .env upload my file or text to Tool-You servers?
No. JSON to .env runs in this browser tab. Files stay on the device. Limit note: Root object. Invalid env names skipped. Nested values JSON-stringified. Max 500,000 characters.
Should I use JSON Formatter instead of JSON to .env?
Use JSON to .env when you need Turn a JSON object into KEY=value lines. Use JSON Formatter when you need Pretty-print or minify JSON with indent and optional key sort. They share a category (Convert) but not the same job.
What are the limits of JSON to .env?
Root object. Invalid env names skipped. Nested values JSON-stringified. Max 500,000 characters. Also: Root must be an object. Keys that are not UNIX env names are skipped. Nested values are JSON-quoted. Arrays as root fail.